Adjacent Words

Unfasten definitions

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Webster's 1828 Dictionary

UNF'ASTEN, v.t. To loose; to unfix; to unbind; to untie.

WordNet (r) 3.0 (2005)

v
1: cause to become undone; "unfasten your belt" [ant: fasten, fix, secure]
2: become undone or untied; "The shoelaces unfastened" [ant: fasten]

Merriam Webster's

transitive verb Date: 14th century to make loose: as a. unpin, unbuckle b. undo <unfasten a button> c. detach <unfasten a boat from its moorings>

Oxford Reference Dictionary

v. 1 tr. & intr. make or become loose. 2 tr. open the fastening(s) of. 3 tr. detach.

Webster's 1913 Dictionary

Unfasten Un*fas"ten, v. t. [1st pref. un- + fasten.] To loose; to unfix; to unbind; to untie.

Collin's Cobuild Dictionary

(unfastens, unfastening, unfastened) If you unfasten something that is closed, tied, or held together, or if you unfasten the thing holding it, you loosen or remove the thing holding it. When Ted was six we decided that he needed to know how to fasten and unfasten his seat belt... Reaching down, he unfastened the latch on the gate... He once emerged from the toilets with his flies unfastened. = undo ? fasten VERB: V n, V n, V-ed

Soule's Dictionary of English Synonyms

v. a. Loose, unloose, untie, unbind, unclasp, unlace, undo, unfix.

Moby Thesaurus

cast off, detach, disengage, doff, free, liberate, loose, loosen, release, remove, take off, unbar, unbind, unbolt, unbuckle, unbutton, unchain, unclasp, undo, unfetter, unglue, unlace, unlatch, unleash, unlock, unloose, unloosen, unstick, unstrap, untie, weigh anchor