negate
英[nɪ'geɪt]
美['nɛɡet]
- vt. 否定；取消；使无效
- vi. 否定；否认；无效
- n. 对立面；反面
英英释意
- 1. be in contradiction with
- 2. deny the truth of
- 3. prove negative; show to be false
- 4. make ineffective by counterbalancing the effect of;
- "Her optimism neutralizes his gloom"
- "This action will negate the effect of my efforts"