Synonyms for (verb) nullify

Synonyms: negate, neutralise, neutralize, nullify

Definition: make ineffective by counterbalancing the effect of

Usage: Her optimism neutralizes his gloom; This action will negate the effect of my efforts

Similar words: weaken

Definition: lessen the strength of

Usage: The fever weakened his body


Synonyms: nullify, invalidate

Definition: show to be invalid

Similar words: contradict, negate

Definition: prove negative; show to be false


Synonyms: void, avoid, annul, invalidate, nullify, quash

Definition: declare invalid

Usage: The contract was annulled; void a plea

Similar words: strike down, cancel

Definition: declare null and void; make ineffective

Usage: Cancel the election results; strike down a law