unfasten

Từ điển WordNet v3.1 - WordNet Dictionary

verb

1. cause to become undone (Freq. 1)
- unfasten your belt
• Ant:
fasten
• Derivationally related forms:
unfastener, unfastening
• Hypernyms:
undo
• Hyponyms:
unchain, unzip, unbend
• Verb Frames:
- Somebody ----s something
- Something ----s something
2. become undone or untied
- The shoelaces unfastened
• Ant:
fasten
• Derivationally related forms:
unfastening
• Hypernyms:
open, open up
• Verb Frames:
- Something ----s

• Từ trái nghĩa / Antonyms:
  fasten, fix, secure