nullify

Từ điển WordNet v3.1 - WordNet Dictionary

verb

1. declare invalid
- The contract was annulled
- void a plea
• Syn:
invalidate, annul, quash, void, avoid
• Ant:
validate (for: invalidate)
• Derivationally related forms:
nullifier, nullification, voidable (for: void), void (for: void), voider (for: void), annulment (for: annul), invalidation (for: invalidate), invalidator (for: invalidate)
• Hypernyms:
cancel, strike down
• Hyponyms:
break, stet
• Verb Frames:
- Somebody ----s something
- Something ----s something
2. show to be invalid
• Syn:
invalidate
• Ant:
validate (for: invalidate)
• Hypernyms:
negate, contradict
• Verb Frames:
- Somebody ----s something
- Something ----s something
3. make ineffective by counterbalancing the effect of
- Her optimism neutralizes his gloom
- This action will negate the effect of my efforts
• Syn:
neutralize, neutralise, negate
• Derivationally related forms:
nullification, neutralisation (for: neutralise), neutralization (for: neutralize)
• Hypernyms:
weaken
• Verb Frames:
- Somebody ----s something
- Something ----s something

• Từ đồng nghĩa / Synonyms:
  neutralize, neutralise, negate, invalidate, annul, quash, void, avoid
• Từ trái nghĩa / Antonyms:
  validate, formalize, formalise