Definition for Unfasten:

• un-fas'n, v.t. to loose, as from a fastening: to unfix. v.i. to become untied.-- n. UNFAS'TENER.

Synonyms for Unfasten:

• n.

  •
  • unfurl.
  •
  • slip,
  • tighten.

• v.

  •loosen (verb)
  • disarticulate,
  • disjoin,
  • break,
  • disconnect,
  • diverge,
  • disperse.

• Other synonyms:

  •
  • muzzle,
  • detachable,
  • uncoil,
  • unharness,
  • uncross,
  • unroll,
  • unhitch,
  • uncurl.
  •
  • unbuckle,
  • zipper.
  •
  • unravel.
  •
  • ease.
  •open
  • unzip,
  • Unstop,
  • uncork.

Antonyms for Unfasten:

• Other antonyms:

  • n.
    button up, do up, zip, zip up, tie up.

• v.

  • contact
    fasten.
  • disengage
    close, couple, fix, secure, button, connect, clasp.
  • Other antonyms:
    interlace, entangle, snarl, wind, lace, braid, tangle, lash, interweave, knot.

Hypernym for Unfasten:

• v.

  • contact
    unchain, unzip, unbend.

Hyponym for Unfasten:

• Other hyponyms:

  • n.
    unbutton, untie, unzip.

• v.

  • contact
    open up, undo, open.