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English Lexicon

Unbuckle

/ʌnˈbʌk.əl/
verbCEFR B2 (Upper)Top #14500 frequency
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Comprehensive Definitions & Senses

2 senses
As verb
  1. 1

    To undo or loosen the buckle of a belt, strap, or harness.

    "He sat down in the car seat and began to unbuckle his seatbelt."
  2. 2

    To become undone or loose by the release of a buckle.

    "The worn leather strap started to unbuckle under the heavy strain."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the negative prefix un- combined with the Middle English verb 'bouklen', originating from Old French 'boucler' (to fasten with a buckle). Historically recorded in the late 14th century, the term evolved from general fastening actions to specifically denote the release or loosening of secured straps.

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