Synonyms for negate

Verb

1. contradict, belie, negate, deviate, vary, diverge, depart

usage: be in contradiction with

2. contradict, negate, contravene, disagree, differ, dissent, take issue

usage: deny the truth of

3. negate, contradict, prove, demonstrate, establish, show, shew

usage: prove negative; show to be false

4. neutralize, neutralise, nullify, negate, weaken

usage: make ineffective by counterbalancing the effect of; "Her optimism neutralizes his gloom"; "This action will negate the effect of my efforts"