146 entries under uncertain topic. ×

8
untrustworthy(adjective, weak, false, careless, loose)
7
hazardous(adjective, delicate, wild, doubtful)
7
indecisive(adjective, weak, delicate, nervous)
7
rootless(adjective, weak, doubtful, unsettled)
7
tricky(adjective, understanding, keen, fine, difficult)
6
changing(adjective, upset, weak, anxious)
6
iffy(adjective, delicate, nervous, irregular)
6
indefinite(adjective, loose, doubtful, unsettled)
5
touchy(adjective, understanding, keen, fine, sensible)
4
ambiguous(adjective, delicate, doubtful, unsettled)
4
borderline(adjective, delicate, nervous, doubtful)
4
chancy(adjective, delicate, doubtful, unsettled)
4
eccentric(adjective, unusual, irregular, unpredictable)
4
fly-by-night(adjective, careless, loose, foolish)
4
lubricious(adjective, smooth, careless, lively)
4
questionable(adjective, open, obscure, unsettled)
4
shifty(adjective, weak, sensitive, doubtful)
4
wishy-washy(adjective, weak, doubtful, hesitant)
3
fluctuant(adjective, weak, nervous, irregular)
3
nervous(adjective, understanding, weak, keen, fine)
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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>