2
lock(noun, verb, open, fasten, clasp)
1
bond(verb, open, stick, fasten)
1
add
1
adhere(verb, ignore, stick, overlook, stuck)
1
affix
1
brace(verb, support, release, weaken)
1
chain
1
clinch
1
cling(verb, loose, attach)
1
close(verb, adjective, open, loose, unblock)
1
clutch(verb, release, loose, grab, snatch)
1
conjoin(verb, part, separate)
1
connect(verb, close)
1
convene
1
enclose
1
enlist
1
entangle
1
hitch(verb, join, loose, fasten, undo)
1
interlace
1
interweave
10 years ago|2.1k views|share |citing 
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>