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# unfasten

«unfasten» in Mova's school dictionary: **to open it or undo it, such as a button, buckle, belt…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

verb (unfasten, unfastens, unfastened, unfastening)

### meaning for a pupil

1) To unfasten something means to open it or undo it, such as a button, buckle, belt, seat belt, clasp or lock. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/U/unfasten/#m1)

2) Unfasten also means to come undone: «The strap unfastened.» [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/U/unfasten/#m2)

### sense in the lessons

In everyday life you unfasten your coat, shoes or bag; in safety: never unfasten your seat belt while the car or plane is moving, and wait until the sign is off. Phrases: unfasten your seat belt, unfasten the buckle, unfasten the straps.

### examples

- Please do not unfasten your seat belt until the plane has stopped. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/U/unfasten/#x1)
- She unfastened her coat in the warm classroom. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/U/unfasten/#x2)
- He unfastened the gate and let the dog in. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/U/unfasten/#x3)
- Can you help me unfasten this necklace? [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/U/unfasten/#x4)
- The baby learnt to unfasten the straps of his pushchair. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/U/unfasten/#x5)
- Unfasten the buckles of your helmet before you take it off. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/U/unfasten/#x6)
- Come and unfasten it for me.’ [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/U/unfasten/#x7)

### note

Regular verb. The t is silent: «un-FAH-sen» (UK) or «un-FAS-en» (US), like «fasten». Same meaning as «undo». Opposite: fasten, do up.

### Trees and pragmatics

[Every meaning and example of «unfasten» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/U/unfasten/), each sentence with its dependency tree and frames.