34 entries under separate topic. ×

10
unfasten(verb, release, loose, detach)
6
loosen(verb, hold, increase, release)
4
disconnect(verb, release, loose, loosen)
4
release(noun, verb, hold, keep)
4
detach(verb, release, join, loose)
4
disjoin(verb, release, loose, loosen)
3
open(verb, adjective, hold, fix)
3
unlink(verb, release, loose, loosen)
3
untie(verb, release, loose, loosen)
2
divide(verb, release, agree, unite)
2
free(verb, adjective, hold, keep)
2
loose(verb, adjective, release, loosen)
2
unhitch(verb, release, loose, loosen)
2
unlock(verb, hold, release, loose)
1
destroy(verb, release, loose, loosen)
1
remove(verb, release, loose, loosen)
1
unchain(verb, hurt, release, harm)
1
unfix(verb, release, join, loose)
0
allow(verb, release, loose, loosen)
0
confuse(verb, release, loose, loosen)
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APASmart Define. (2016). fasten thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/fasten/thesaurus/antonyms
ChicagoSmart Define. 2016. "fasten thesaurus" https://smartdefine.org/fasten/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, fasten thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/fasten/thesaurus/antonyms>.
MLASmart Define. "fasten thesaurus" 3 March 2016. Web. 26 September 2026. <https://smartdefine.org/fasten/thesaurus/antonyms>