91 entries under verb topic. ×

7
tighten(hold, increase, open, loose)
4
stiffen(weaken, soften)
3
attach(hold, increase, separate, loose)
3
fasten(hold, increase, separate, release)
2
fetter(hold, release, free)
2
fold(noun, smooth, enclose, straighten)
2
restrain(hold, help, increase, release)
2
fix(cool, disorder, detach)
2
harden(upset, open, thin)
2
imprison(hold, increase, tighten)
1
adhere(ignore, stick, overlook, stuck)
1
bond(open, stick, fasten)
1
clamp
1
compress(open, free, expand, condense)
1
confine(hold, increase, release, free)
1
secure(disregard, fail, attach, unfix)
1
seize(free, lose)
1
stick(withdraw, halt, refuse, adhere)
1
tie(separate, divide, connect, disconnect)
1
achieve
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APASmart Define. (2016). loosen thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/loosen/thesaurus/antonyms
ChicagoSmart Define. 2016. "loosen thesaurus" https://smartdefine.org/loosen/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2016, loosen thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/loosen/thesaurus/antonyms>.
MLASmart Define. "loosen thesaurus" 26 February 2016. Web. 29 September 2026. <https://smartdefine.org/loosen/thesaurus/antonyms>