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Definition of unfasten verb from the Oxford Advanced Learner's Dictionary

unfasten

verb
 
/ʌnˈfɑːsn/
 
/ʌnˈfæsn/
Verb Forms
present simple I / you / we / they unfasten
 
/ʌnˈfɑːsn/
 
/ʌnˈfæsn/
he / she / it unfastens
 
/ʌnˈfɑːsnz/
 
/ʌnˈfæsnz/
past simple unfastened
 
/ʌnˈfɑːsnd/
 
/ʌnˈfæsnd/
past participle unfastened
 
/ʌnˈfɑːsnd/
 
/ʌnˈfæsnd/
-ing form unfastening
 
/ʌnˈfɑːsnɪŋ/
 
/ʌnˈfæsnɪŋ/
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  1. unfasten something to open something that is fastened
    • to unfasten a belt/button, etc.
    • Passengers are permitted to unfasten their seat belts.
    opposite fastenTopics Clothes and Fashionb1
    Oxford Collocations DictionaryUnfasten is used with these nouns as the object:
    • belt
    • buckle
    • button
    See full entry
See unfasten in the Oxford Advanced American Dictionary
trait
noun
 
 
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