13
tight(adjective, close, snug, sealed)
7
restrictive
6
compact(adjective, condensed)
6
taut(adjective, rigid, tight, slack)
5
firm(noun, adjective, weak, obscure, uncertain)
5
confine(verb, release, free)
4
stiffen
4
strict
4
contract
4
prudent
3
precise(adjective, meticulous, fastidious)
3
good
3
adhesive(adjective, sticking)
3
affixed(verb, adjective)
3
attach(verb, separate)
3
close(adjective, open, dense, unblock, cramped)
3
fetter(verb, hold, release, free)
3
restricted(verb, adjective)
3
rigorous(adjective, severe, exact)
3
secure(verb, adjective, weak, disregard, fail)
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APASmart Define. (2016). loose thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/loose/thesaurus/antonyms
ChicagoSmart Define. 2016. "loose thesaurus" https://smartdefine.org/loose/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, loose thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/loose/thesaurus/antonyms>.
MLASmart Define. "loose thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/loose/thesaurus/antonyms>