26 entries under separate topic. ×

9
fasten(verb, release, secure, join)
4
bind(verb, remove, forget, uncover)
4
tie(noun, verb, divide, connect)
2
attach(verb, join, loose, fasten)
2
link(verb, loose, connect)
1
conjoin(verb, part)
1
marry(verb, divide)
1
nail(verb, fix, fasten, detach)
0
annex
0
combine(verb, divide)
0
couple(verb, close)
0
be tight with
0
call up(expression, discharge, withdraw)
0
cement
0
cleave
0
freeze to
0
hold fast
0
latch onto(expression, loose)
0
settle down(expression, divide)
0
sew
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APASmart Define. (2016). unfasten thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unfasten/thesaurus/antonyms
ChicagoSmart Define. 2016. "unfasten thesaurus" https://smartdefine.org/unfasten/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unfasten thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unfasten/thesaurus/antonyms>.
MLASmart Define. "unfasten thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/unfasten/thesaurus/antonyms>