intensify

definition: 
Become or make more intense
sentence: 
The researchers say that increasing the amount of zirconium may intensify the color.
The importance of the test will intensify the nervousness of the students
difficulty: 
very easy
toefl frequency: 
3
toefl classification: 
adverb: 
adjective: 
adverb sentence: 
adjective sentence: 
verb: 
verb sentence: 
noun: 
intensity
noun sentence: 
I love the intensity of this game.