practice questions
TOEFL® Vocabulary exercises
  • Unit 1
  • Unit 2
  • Unit 3
  • Unit 4
  • Unit 5
Unit 1 - Exercise 1 (Demo)
Vocabularies:

karst, volcano, canyon, desert, avalanche, landslide, deforestation, acid rain, endangered, footprint, population, ecological, endemic, enrichment, arid, infertile, meteorite, meteor, aurora, inadvertent, predominate, predominately, predominance, predominant, colonization, colony, colonial, colonize, colonists, settlement, emancipation, exploitation, exploit, incessant, nocturnal, camouflage, mimic, mimicry, disguise, adapted, adaptations, prominence, present-day, civilizations, elaborate, ceremonial


Progress: 0/10 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 1 - Exercise 2 lock
Topic: Agriculture

Vocabularies:

grow, genetically modified crops, cultivated, cultivation, raise, harvest, fertilize, fertilization, enrich, enrichment, arid, infertile, herbicide, pest, pesticides, herbicide tolerant crops, soil degradation, prolific, domesticate, domestication, husbandry, plantation, irrigation, irrigates, cultivable, cultivation, arable, fertility, fertile, infertile, crop rotation, sequential, replenishment, manure, mitigates, build-up, low-rainfall, fallowing


Progress: 0/11 completed

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Unit 1 - Exercise 3 lock
Topic: Archaeology & Anthropology

Vocabularies:

prominence, present-day, civilizations, elaborate, ceremonial, descendants, settlers, settled, cultivation, flourished, millennium, ruins, archaeologists, excavation, civilization, origin, settlements, undeciphered, sedentary, migratory, nomadic, nomads, migrants, indigenous, migratory, aboriginal, native, engraving, primitive, led to, independence, colony, native, radiocarbon dating, ancestors, estimation, archaeology, radioactive, decay into, archaeologists, derived from, geological, triassic, jurassic, cretaceous, fossils, paleontologists, archaeologist, archaeology, archaeological, ancient, ancestral, ancestor, was thought to, inhabited, excavation, reveals, ancestors, ingenious, inhospitable, inhabit, inhabitants, inhabitable


Progress: 0/16 completed

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Unit 1 - Exercise 4 lock
Topic: Art & Art History

Vocabularies:

portray, depiction, juxtapositions, evoke, contemporary, rhythms, rhythmic, portrayal, narrated, narrative, distinguishing, predecessor, depiction, precursors, popularity, preceded, widespread, prevalence, prevalent, prominent, prominence, flourished, flourishing, revived, emerged, emergence


Progress: 0/8 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 1 - Exercise 5 lock
Topic: Astronomy

Vocabularies:

supernova, asteroids, meteoroid, meteorite, meteor, aurora, astronomers, astronomical, astronomically, astronaut, astronomy, in orbit, celestial, interstellar, unmanned, orbital, presence, astronomical, radiation, obscured, optical telescopes, at, counterparts, galaxy, astronomical, astronomers, observations, formation, gravitational collapse, planetary, asteroids, developed, suggests, solar eclipse, lunar eclipse, lunar cycle, lines up, on the far side of


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Unit 1 - Exercise 6 lock
Topic: Biology Part 1

Vocabularies:

primates, amphibians, reptiles, mammals, arthropods, marsupials, bioluminescence, congregate, courtship, incubate, hibernate, algae, hereditary, heredity, reproduce, reproduction, reproductive, genetically, genetic, congregating, congregate, congregations, hibernation, hibernate, hibernator, dormant, dormancy


Progress: 0/7 completed

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Unit 1 - Exercise 7 lock
Topic: Biology Part 2

Vocabularies:

predatory, predators, prey, herbivores, carnivores, omnivores, forage for, foraging, foragers, nocturnal, camouflage, mimic, mimicry, disguise, adapted, adaptations, migrants, migrate, migratory, migration, sedentary, endotherms, ectotherm, metabolic, metabolically, symbiosis, parasite, parasitic, parasitism, symbiotic, mutualistic, altruistic, circadian, secreted, excrete, anatomical, morphological, morphologically, metamorphosis, larval, larva, locomotion, regeneration, hatchling, hatched, breed, embryonic, incubate, incubation


Progress: 0/7 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 1 - Exercise 8 lock
Topic: Botany

Vocabularies:

pollination, pollinator, pollinated, pollen, cross-pollination, self-pollination, offspring, self-pollination, stigma, genetic diversity, cross-pollination, pollen, results in, genetic diversity, perennials, successive, deciduous, the absence of, wind-pollinated, insect-pollinated


Progress: 0/5 completed

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Unit 1 - Exercise 9 lock
Topic: Business

Vocabularies:

acquire, acquisition, acquisitive, shifting, innovation, innovative, incorporating, incorporation, launched, intellectual property, infancy, facilitate, affordable, agile, agility, customary, endorsing, exaggerations, exaggerated, superficial, forfeit, endorsement, franchising, advantages to, disadvantages, operate, set forth, franchiser, geographic territory, becoming, product differentiation, in addition to, franchisees, royalties, well-known, demographic, went into bankruptcy, expansion capital, outlets, tapping, financing, financial returns, company-owned, widespread brand-name recognition, a pre-sold customer base, is mandated by, business lending, medium-sized, self-financing, depreciation


Progress: 0/8 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 1 - Exercise 10 lock
Topic: Chemistry

Vocabularies:

solubility, solutes, solvent, soluble, dissolves, dissolution, dilute, solution, concentrations, condensed, condensation, vapor, vaporize, evaporate, evaporation, volatile, sublimation, sublimate, alkaline, acidic, acid, acidity, catalyst, malleable, ductile, microscope, desalination, condensation, corrosion, rusted, evaporate, corrosion, corrosive, corrode, atom, nucleus, neutron, molecule, proton, carbon, oxygen, carbon dioxide, synthetic, synthesize, synthetically


Progress: 0/9 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 2 - Exercise 11 lock
Topic: Earth Science

Vocabularies:

tropical, equator, longitude, latitude, altitudinal, altitude, summer solstice, winter solstice, tilt, declination, subarctic, subtropical, savanna, taiga, tundra, estuaries, antarctic, arctic, precipitated, precipitation, humidity, humid, vegetation, rainfall, atmospheric, ozone, orbital, hemisphere, atmosphere, stratosphere, continents, continental, oceanic, tidal, intertidal, inshore, subterranean, terrain, terrestrial


Progress: 0/9 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 2 - Exercise 12 lock
Topic: Ecology

Vocabularies:

deforestation, acid rain, endangered, footprint, population, ecological, endemic, predatory, predators, prey, herbivores, carnivores, omnivores, carrying capacity, ecological succession, biodiversity, ecosystems, biome, conservation, conserve, conservation, extinction, extinct, deteriorating, deterioration, extinct, extinction, habitat, habitation, inhospitable, inhabiting, inhabitants, inhabitable, diminished, diminishing, decline, declining, dwindling, dwindle, vanishing, vanish


Progress: 0/13 completed

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Unit 2 - Exercise 13 lock
Topic: Economics

Vocabularies:

economists, consumers, in, standard of living, consumption, states, opportunity cost, as a result, consumption, demonstrates, contrast to, at a higher price, a reduction in, stimulate, increased consumer spending, tax cuts, spur, the enactment of, in response to, inflation, recession, interest rates, curbs, developing, in assistance to, economic growth, privatization, indicate, retail, installment plan, mass production, at


Progress: 0/6 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 2 - Exercise 14 lock
Topic: Engineering

Vocabularies:

renewable, discharge, combustion, solar energy, geothermal energy, semiconductors, harness, hydroelectric, solar cell, replenished, hydrothermal, mechanization, malfunction, combusted, ventilation, circulate, ventilated, seismic, withstand, compression, dissipate, dissipation, lateral


Progress: 0/5 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 2 - Exercise 15 lock
Topic: Geology

Vocabularies:

glacier, geyser, caldera, plateau, lava, marsh, karst, volcano, canyon, desert, avalanche, landslide, consists of, mantle, crust, lithosphere, mantle, crust, tectonic plates, plate tectonics, geologic, volcanoes, collide with, continental plate, oceanic plate, converge, erupt, takes place, convergent, divergent, refinement, refined, deposited, deposition, geyser, underlies, retreat, desertification, geological, runoff, dormant, dormancy, volcanic eruption, magma, forms, lava, solidifies, crystallize, composition, glacial ages, interglacial, receded, formation, glacier, accumulation, made up of, landscape, dissolution, soluble, acidic, primarily, dissolve, erode, leads to, weathering, dissolving, erosion, contribute to, aquifer, permeable, porous, submerge, diverge, igneous, sediment, molten, fault


Progress: 0/14 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 2 - Exercise 16 lock
Topic: History

Vocabularies:

colonization, colony, colonial, colonize, colonists, settlement, emancipation, exploitation, exploit, imperial, sovereign, monarchy, monarch, democracy, dictatorship, revolution, revolutionary, medieval, conquerors, upheaval, revolt, proclamation, dictated, dictator, dictatorial, autonomous, legislative, legislature, legislate, legislation, uprising, rebellion, outbreak, reform, insurrection, rebels, rebellious, racism, abolition, abolished, discrimination, discriminated, discriminatory, indiscriminate, ethnic, segregation, relinquish, triumph, triumphant, prophetic, prophecy, mythological


Progress: 0/9 completed

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Unit 2 - Exercise 17 lock
Topic: Marine Biology

Vocabularies:

invertebrates, coral reefs, polyp, is native to, feed on, biodiversity, outbreaks, revealed, leading causes, symbiotic, by-products, algae, aquatic, prey, predators, results from, outgrowth, occurs, invertebrate, bioluminescence, vertebrates, invertebrates, fungi, bioluminescent, symbiotic


Progress: 0/6 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 2 - Exercise 18 lock
Topic: Physics

Vocabularies:

convex, concave, prism, optics, optical, wavelengths, spectrum, refract, refraction, reverberation, reverberant, reverberate, resonance, resonate, resonant, inaudible, acoustic, amplitude, electricity, electric, electron, electrical, electrically, conduct, conductive, conductivity, conductor, conduction, magnetized, magnetic, magnetism, magnification, magnify, magnet, oscillate, friction, buoyancy, buoyant, gravity, gravitational, vibrant, vibrates, vibrancy


Progress: 0/7 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 2 - Exercise 19 lock
Vocabularies:

originate, origin, originality, occupants, occupation, occupational, susceptible, vulnerable, prone, blind, are blind to, blindly, phenomena, phenomenon, phenomenal, conform, arbitrary, implication


Progress: 0/10 completed

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Unit 2 - Exercise 20 lock
Vocabularies:

proponent, proposed, proposal, proponent, Opponents, in opposition to, opposition, opposed, disapprove, uphold, concur, concurrence, concurrent, majority, minority, consume, consumption, consumer, asserted, assertive, assertion, provoke


Progress: 0/10 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 3 - Exercise 21 lock
Vocabularies:

perception, perceive, perceptible, perceptive, interpret, interpretation, manifest, manifestations, symbolic, symbolize, exemplified, exemplary, prospective, perspectives, embody, epitome, characterize, characteristic, characterization, classified, classification


Progress: 0/10 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 3 - Exercise 22 lock
Vocabularies:

delicate, delicately, delicacy, intricate, intricacy, elaborate, intrigued, intriguing, intriguingly, ingenious, ingenuity, Assimilation, assimilate, unprecedented, baffle, astounding, traumatic


Progress: 0/10 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.

Unit 3 - Exercise 23 lock
Vocabularies:

incessant, intermittent, recurrent, sporadic, invariably, invariable, lasting, repetitive, irregular, infrequent, periodic, periodicals


Progress: 0/9 completed

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Unit 3 - Exercise 24 lock
Vocabularies:

enhance, dwell, dwellings, dwellers, chiefly, commonplace, comparatively, prosperous, harbor, halt, affluent, ambiguous, equivocal, ambivalent


Progress: 0/12 completed

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Unit 3 - Exercise 25 lock
Vocabularies:

attribute, ascertain, premise, assume, assumptions, supposition, presume, presumably, theoretical, theoretically, theorize, speculation, speculative, overlooked, overestimate, underestimate, practical, practicality, practically, analytical, analytically, accurate, accuracy, indicate, indicator, indications, demonstrates, demonstration, demonstrative, approximate, approximated, Approximately, valid, validity


Progress: 0/10 completed

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Unit 3 - Exercise 26 lock
Vocabularies:

emphasizes, emphasis, accentuate, unravel, notion, sharply, formidable, selective, fundamental, exclusive, underway


Progress: 0/10 completed

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Unit 3 - Exercise 27 lock
Vocabularies:

broaden, diversify, diversity, evident, Evidently, evidence, reportedly, facet, oblivious, inaccessible, inaccessibility, enigmatic, inexplicable, alternation, alternative, alternate, alternating, altered, endemic


Progress: 0/11 completed

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Unit 3 - Exercise 28 lock
Vocabularies:

expansion, transform, convey, suitable, precarious, unbiased, obsolete, inevitable, unwarranted, impartial


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Unit 3 - Exercise 29 lock
Vocabularies:

systematically, meticulously, varied, varying, robust, striking, confidential, intentionally, tangible, redundant, inadvertent


Progress: 0/10 completed

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Unit 3 - Exercise 30 lock
Vocabularies:

dominates, domination, predominate, predominately, predominance, predominant, prevailed, prevailing, prevalent, prevalence, ubiquitous, ubiquity, abundant, abundance, sufficient, sufficiently, excessive, in excess of, excessively, ample, plentiful, exceedingly, overtly


Progress: 0/11 completed

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Unit 4 - Exercise 31 lock
Vocabularies:

is unaccountable for, account for, accountable, unaccountable, on account of, accountability, readily, in readiness for, Readily, obliged, obligation, subsequent, subsequently, accompanying, accompanies, sustain, sustained, sustainable, sustainability, impulsively, make an impulse purchase, impulse, impulsive, impulses, justified, justification, justifiable, coherent, cohere, coherence


Progress: 0/9 completed

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Unit 4 - Exercise 32 lock
Vocabularies:

rapid, rapidly, prompt, promptly, spontaneous, spontaneously, abrupt, drastic, instantaneous, instant, instantly, gradually, gradual


Progress: 0/8 completed

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Unit 4 - Exercise 33 lock
Vocabularies:

anticipation, anticipated, anticipate, anticipatory, arbitrary, arbitrarily, conceived, conceivably, conceivable, exhausting, exhaust, exhaustion, deceptive, deceptively, deceive, deception, extensive, extended, extend, extensively, extension, proportional, proportioned, proportion, proportional, intrusive, intrude, intrusively, intrusions, reluctant, reluctantly, reluctance


Progress: 0/9 completed

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Unit 4 - Exercise 34 lock
Vocabularies:

designate, expenditure, disruption, disrupt, apt, aptly, widespread, undeniable, blur, sheltered, intensity, intensify, accelerate, hasten


Progress: 0/10 completed

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Unit 4 - Exercise 35 lock
Vocabularies:

overcome, extinguish, eradicate, dilemma, problematic, paradox, eliminate, elimination, mitigating, mitigation, adversity, adverse, predicament, hurdle, controversial, controversy, controversially, chaotic, chaos


Progress: 0/8 completed

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Unit 4 - Exercise 36 lock
Vocabularies:

hazardous, hazard, chronic, chronically, aggravating, harmful, insidious, perilous, exacerbate, deteriorating, deterioration, hamper, impeded, impediments, afflicts, afflictions, severe, severely, severity, impaired, impairing


Progress: 0/11 completed

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Unit 4 - Exercise 37 lock
Vocabularies:

exceptional, remarkable, extraordinary, unsatisfactory, superior, caliber, mediocre, mediocrity, benefit, beneficial, beneficially, advantageous, advantages, take advantage of, conducive, conduce


Progress: 0/9 completed

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Unit 4 - Exercise 38 lock
Vocabularies:

paramount, indispensable, integral, critical, crucial, tranquil, dense, vicinity, tranquillity, sprawling, scenic, scattered, placid, spacious, paralleled, Situated


Progress: 0/8 completed

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Unit 4 - Exercise 39 lock
Vocabularies:

propagated, propagated, propagation, dissipating, dissipation, dispersion, disperse, proliferate, proliferation, proliferate, dissemination, disseminate, diffusion, diffuse, stimulate, stimulus, stimulant, instigate, trigger, initiate, initiative, spur


Progress: 0/11 completed

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Unit 4 - Exercise 40 lock
Vocabularies:

distinctive, distinctively, Distinction, distinctly, differentiate, differentiation, peculiar, peculiarity, retrospective, prospective, precedent, precedence, preceding, preceded, outbreak, reinforce, divergent, envision, conventional, conventionally


Progress: 0/11 completed

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Unit 5 - Exercise 41 lock
Vocabularies:

oblique, fluctuate, fluctuations, accumulation, accumulated, accumulative, degrade, degradation, resemble, resemblance, distinguished, distinguishable, negligible, negligence, negligibly, conspicuously, conspicuous, pronounced, pronounce, announced, announcement, culprit


Progress: 0/10 completed

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Unit 5 - Exercise 42 lock
Vocabularies:

informed, informative, precaution, precautionary, constitutes, constitution, constitutional, replicating, replication, imitation, imitating, imitative, receptors, receptive, immunize, immunization, repellent, infestation, encompasses, compass, intoxicating, intoxicated


Progress: 0/10 completed

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Unit 5 - Exercise 43 lock
Vocabularies:

stringent, demanding, demand, nonsensical, rigidly, treacherous, spike, supplement, onset, reciprocate, Transmission, transmitted, transmittable


Progress: 0/10 completed

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Unit 5 - Exercise 44 lock
Vocabularies:

significance, significantly, significant, insignificant, insignificance, insignificant, insignificance, insignificantly, substantial, substantially, considerable, considerably, enormous, enormously, profoundly, profound, tremendous, tremendously, immense, immensely, scarce, scarcely, scarcity, vast, myriad, gigantic


Progress: 0/12 completed

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Unit 5 - Exercise 45 lock
Vocabularies:

anonymous, anonymity, advent, absence, absent, absenteeism, existence, existing, existed, existence, presence, variation, variants, variables, variety, instinctive, instinct, instinctively, disposition


Progress: 0/8 completed

Note: While you are going through each exercise, pay attention to each sentence's structure, how a vocabulary is used, and grammatical rules. This will help you improve your reading, listening, speaking, and writing skills that you need to score high in TOEFL. In addition, try copying what you hear to practise your pronunciation and learn which words in a sentence are stressed.