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unfasten - definition and synonyms


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verb [transitive] unfasten pronunciation in British English /ʌnˈfɑːs(ə)n/
Word Forms
present tense
present participleunfastening
past tenseunfastened
past participleunfastened
  1. to move the part that holds something together, especially on a piece of clothing or a belt

    Unfasten your top button.

    It is now safe to unfasten your seatbelts.



to fall over forwards so that your face hits the ground or another surface

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the activity of exploring abandoned buildings and other manmade structures

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