Synonyms:
neutralize, neutralise, nullify, negate
Meaning: make ineffective by counterbalancing the effect of; "Her optimism neutralizes his gloom"; "This action will negate the effect of my efforts"
Synonyms:
negate, contradict
Meaning: prove negative; show to be false
Synonyms:
contradict, negate, contravene
Meaning: deny the truth of
Synonyms:
contradict, belie, negate
Meaning: be in contradiction with