buckle - definition and synonyms


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present tense
present participlebuckling
past tensebuckled
past participlebuckled
  1. 1



    buckle up

    [intransitive/transitive] to fasten a buckle, or to be fastened with a buckle

    The bag buckles at the side.

  2. 2
    [intransitive/transitive] to bend, or to make something bend under great pressure

    The pillars began to buckle under the strain.

    1. a.
      [intransitive] to suddenly become weak and bend

      I could see his knees buckle after that last punch.

  3. 3
    [intransitive] to stop trying to do something, or to stop opposing someone, because you have no energy or determination left

    He did not buckle under their threats.