535 entries under adjective topic. ×

3
critical(bad, delicate, heavy, awkward)
3
different
3
fading
3
fluctuant(weak, uncertain, nervous, irregular)
3
frivolous(careless, stupid, unreliable, changeable)
3
lopsided
3
nervous(understanding, weak, keen, fine)
3
passing
3
provisory
3
rotten
3
smooth
3
tense(upset, understanding, keen, fine)
3
threatening(bad, delicate, heavy, uncertain)
3
transformable(unsettled, changeable, variable)
3
tumbledown(weak, unsettled, danger, unsteady)
3
unfit
3
unhealthy(delicate, uncertain, anxious, ill)
3
unsystematic(casual, erratic, random)
3
vicissitudinous
3
wobbling
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APASmart Define. (2016). unstable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unstable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unstable thesaurus" https://smartdefine.org/unstable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unstable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unstable/thesaurus/synonyms>.
MLASmart Define. "unstable thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/unstable/thesaurus/synonyms>