11 entries under fasten topic. ×

2
attach(verb, separate, join, loose)
2
bolt(noun, verb)
2
clamp(verb, loosen)
2
lace(verb, intertwine)
2
lock(noun, verb, open, clasp)
1
bond(verb, open, stick)
1
hitch(verb, join, loose, undo)
1
nail(verb, fix, separate, detach)
1
tether
0
batten
0
latch
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APASmart Define. (2016). unfasten thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unfasten/thesaurus/antonyms
ChicagoSmart Define. 2016. "unfasten thesaurus" https://smartdefine.org/unfasten/thesaurus/antonyms (accessed October 1, 2026).
HarvardSmart Define 2016, unfasten thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unfasten/thesaurus/antonyms>.
MLASmart Define. "unfasten thesaurus" 26 February 2016. Web. 1 October 2026. <https://smartdefine.org/unfasten/thesaurus/antonyms>