7
tensed
6
stiffened
5
tight(adjective, close, strong, secure, substantial)
4
extended
4
narrowed(verb, narrowed)
4
secured(verb, strong, secure, substantial, stable)
4
squeezed
3
constricted
3
closed(strong, secure, substantial, stable, unmoving)
3
compressed
3
contracted
3
fastened(verb, strong, secure, substantial, stable)
3
firm(adjective, strong, secure, stable, unmoving)
3
screwed(verb, strong, secure, substantial, stable)
3
slimmed(verb, narrowed)
3
strained
3
stretched
3
thinned(verb, narrowed)
2
clenched
2
diluted
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APASmart Define. (2015). tightened thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/tightened/thesaurus/synonyms
ChicagoSmart Define. 2015. "tightened thesaurus" https://smartdefine.org/tightened/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, tightened thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/tightened/thesaurus/synonyms>.
MLASmart Define. "tightened thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/tightened/thesaurus/synonyms>