Negate

medium

nih-GATE

verb

Definition

to nullify; make ineffective or invalid

Examples

A single careless error can negate hours of painstaking work.
The new evidence did not negate the original theory but instead refined it.

Synonyms

nullifyinvalidatecancelcounteract

Antonyms

affirmconfirmvalidateuphold

Categories

GRE Tip

Negate is a medium-difficulty GRE word. On the GRE, you might see it paired with synonyms like "nullify" or "invalidate" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "affirm".

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