Search Result for "negate": 
Wordnet 3.0

VERB (4)

1. be in contradiction with;
[syn: contradict, belie, negate]

2. deny the truth of;
[syn: contradict, negate, contravene]

3. prove negative; show to be false;
[syn: negate, contradict]

4. make ineffective by counterbalancing the effect of;
- Example: "Her optimism neutralizes his gloom"
- Example: "This action will negate the effect of my efforts"
[syn: neutralize, neutralise, nullify, negate]



WordNet (r) 3.0 (2006):

negate
    v 1: be in contradiction with [syn: contradict, belie,
         negate]
    2: deny the truth of [syn: contradict, negate, contravene]
    3: prove negative; show to be false [syn: negate,
       contradict] [ant: affirm, confirm, corroborate,
       substantiate, support, sustain]
    4: make ineffective by counterbalancing the effect of; "Her
       optimism neutralizes his gloom"; "This action will negate the
       effect of my efforts" [syn: neutralize, neutralise,
       nullify, negate]