23
undo(verb, drop, clear, separate, open)
21
loosen(verb, drop, clear, separate, remove)
20
untie(verb, drop, clear, separate, remove)
18
loose(verb, drop, clear, separate, remove)
17
release(verb, clear, separate, remove, free)
17
unlock(verb, clear, separate, open, remove)
15
detach(verb, cut, separate, remove, release)
15
unbind(verb, drop, clear, remove, release)
14
disengage(verb, drop, clear, separate, remove)
14
free(verb, drop, clear, separate, remove)
14
open(verb, adjective, clear, release, extend)
11
unclasp(verb, separate, remove, release, free)
10
unbutton(noun, verb, separate, remove, release)
10
unloose(verb, drop, clear, separate, remove)
9
unbuckle(verb, separate, remove, release, free)
9
unhitch(verb, separate, remove, release, free)
9
unhook(verb, separate, remove, release, free)
9
unlace(verb, separate, remove, release, free)
8
disconnect(verb, separate, remove, release, free)
8
unbolt(verb, clear, separate, open, remove)
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APASmart Define. (2016). unfasten thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unfasten/thesaurus/synonyms
ChicagoSmart Define. 2016. "unfasten thesaurus" https://smartdefine.org/unfasten/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, unfasten thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unfasten/thesaurus/synonyms>.
MLASmart Define. "unfasten thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/unfasten/thesaurus/synonyms>