1
clinch
1
close(open, loose, unblock)
1
clutch(release, loose)
1
compact(verb, condensed)
1
consolidate(verb, hurt, decrease, weaken)
1
couple(verb, hold, increase, tighten)
1
cramp(open, free)
1
curb(free, promote)
1
gain
1
govern
1
hamper
1
handcuff(open, release)
1
hitch(verb, hold, increase, tighten)
1
hold(verb, give, increase, free, fail)
1
hook(verb, hold, increase, detach, tighten)
1
incarcerate(verb, hold, increase, tighten)
1
inhibit
1
jam(clear, open)
1
join(verb, hold, part, increase, open)
1
jumpy
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>