16 entries under open topic. ×

2
bar(noun, verb, secure, loose)
2
clasp(verb, close, release)
2
join(verb, part, loose)
2
lock(noun, verb, fasten, clasp)
1
bond(verb, stick, fasten)
1
clinch
1
close(verb, adjective, loose, unblock)
1
jam
1
stick together(verb, expression, phrasal verb)
0
coll
0
cramp
0
glom onto
0
grapple(support, free)
0
lump together(expression, loose)
0
lumped together(expression, loose)
0
stickum
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APASmart Define. (2016). unfasten thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unfasten/thesaurus/antonyms
ChicagoSmart Define. 2016. "unfasten thesaurus" https://smartdefine.org/unfasten/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unfasten thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unfasten/thesaurus/antonyms>.
MLASmart Define. "unfasten thesaurus" 26 February 2016. Web. 29 September 2026. <https://smartdefine.org/unfasten/thesaurus/antonyms>