Difficult IELTS Words - Group 4

[Esc] (1)
a. derived from experiment and observation rather than theory

[Esc] (2)
v. swallow up or overwhelm by or as if by overflowing and enclosing

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v. twist or interweave as not to be easily separated; make tangled, confused, and intricate; perplex; bewilder; puzzle

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n. outbreak of a contagious disease that spreads rapidly and widely

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v. bring out; arouse; call forth

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a. pertaining to evolution or development; developmental

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v. increase severity, violence, or bitterness of; aggravate

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v. make worse; irritate; make very angry or impatient; annoy greatly

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v. go beyond; be or do something to a greater degree

[Esc] (10)
n. passage or segment taken from a longer work, such as literary or musical composition