Unfasten

//ʌnˈfɑːs(ə)n// verb

Definitions

Verb
  1. 1
    To detach from any connecting agency or link; to disconnect. transitive

    "He doth unfasten so and shake a friend."

  2. 2
    become undone or untied wordnet
  3. 3
    To come unloosed or untied. intransitive
  4. 4
    cause to become undone wordnet

Etymology

From un- + fasten.

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