precarious

definition: 
not safe, firm, or steady
sentence: 
The number of inspectors and inspections carried out by the government to combat precarious employment are set to increase
difficulty: 
medium
toefl frequency: 
2
toefl classification: 
adverb: 
precariously
adjective: 
adverb sentence: 
The homes hung precariously over the edge of a huge crevice
adjective sentence: 
verb: 
verb sentence: 
noun: 
noun sentence: