[v] make ineffective by counterbalancing the effect of; "Her optimism neutralizes his gloom"; "This action will negate the effect of my efforts" [v] prove negative; show to be false [v] deny the truth of [v] be in contradiction with
belie, contradict, contradict, contradict, contravene, neutralise, neutralize, nullify
affirm, confirm, corroborate, substantiate, support, sustain
abate, abnegate, abolish, abrogate, agree to disagree, annihilate, annul, be at cross-purposes, be contrary to, be unmoved, be unwilling, beg off, belie, blow sky-high, blow up, break, break off, bring to naught, bring to nothing, buffer, call into questi