80 entries under verb topic. ×

1
adhere(ignore, stick, overlook, stuck)
1
brace(support, release, weaken)
1
cling(loose, attach)
1
close(adjective, open, loose, unblock)
1
clutch(release, loose, grab, snatch)
1
conjoin(part, separate)
1
connect
1
convene
1
enclose
1
enlist
1
hitch(join, loose, fasten, undo)
1
marry(separate, divide)
1
meet
1
nail(fix, separate, fasten, detach)
1
peg(loose, attach)
1
pin(hold, loose, attach)
1
stick(withdraw, halt, refuse, adhere)
1
stick together(expression, phrasal verb, open)
1
tether
1
thicken
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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>