116 entries under doubtful topic. ×

4
fly-by-night(adjective, careless, loose, foolish, uncertain)
4
lubricious(adjective, smooth, careless, lively, uncertain)
4
shifty(adjective, weak, uncertain, sensitive)
4
wishy-washy(adjective, weak, uncertain, hesitant)
3
fluctuant(adjective, weak, uncertain, nervous, irregular)
3
unhealthy(adjective, delicate, uncertain, anxious, ill)
2
dicey(adjective, delicate, uncertain, irregular)
2
faltering(adjective, weak, delicate, uncertain, ill)
2
problematic(adjective, delicate, uncertain, awkward, nervous)
2
teetering(adjective, shaky, uneven, unbalanced)
2
tentative(adjective, weak, uncertain, hesitant)
2
wiggly(adjective, uneven, unbalanced, unhinged)
1
betwixt and between(expression, idiom, uncertain, nervous)
1
contingent(adjective, delicate, uncertain, unsettled)
1
doubting(adjective, weak, false, uncertain, dishonest)
1
dynamite(adjective, bad, nasty, delicate, heavy)
1
equivocal(adjective, delicate, uncertain, unsettled)
1
hairy(adjective, bad, delicate, uncertain)
1
halfhearted(adjective, weak, uncertain, hesitant)
1
halting(adjective, weak, delicate, uncertain, ill)
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APASmart Define. (2016). unstable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unstable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unstable thesaurus" https://smartdefine.org/unstable/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unstable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unstable/thesaurus/synonyms>.
MLASmart Define. "unstable thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/unstable/thesaurus/synonyms>