1
compress(verb, open, free, expand, condense)
1
confine(verb, hold, increase, release, free)
1
constrain(release, free)
1
secure(verb, disregard, fail, attach, unfix)
1
seize(verb, free, lose)
1
stick(verb, withdraw, halt, refuse, adhere)
1
tie(verb, separate, divide, connect, disconnect)
1
achieve
1
affix(verb, withdraw, stick, attach)
1
annex(separate, divide)
1
audiotape
1
bar(verb, open, secure, loose, usually)
1
bolt(verb, fasten)
1
book
1
brace(verb, support, release, weaken)
1
bundle(loose, uncover)
1
catch(verb, give, free)
1
chain
1
clasp(open, release)
1
clench(verb, grasp, unfasten)
10 years ago|3.3k views|share |citing 
APASmart Define. (2016). loosen thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/loosen/thesaurus/antonyms
ChicagoSmart Define. 2016. "loosen thesaurus" https://smartdefine.org/loosen/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, loosen thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/loosen/thesaurus/antonyms>.
MLASmart Define. "loosen thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/loosen/thesaurus/antonyms>