246 entries under doubtful topic. ×

8
uneasy(adjective, upset, anxious, awkward, nervous)
8
wobbly(adjective, weak, nervous, unstable, feeble)
8
worried(adjective, upset, anxious, nervous, ill)
7
borderline(adjective, clear, open, delicate, certain)
7
doubting(adjective, weak, unsettled, hesitant)
7
fearful(adjective, weak, anxious, nervous)
7
mistrustful(adjective, anxious, nervous, worried)
7
shady(adjective, honest, unsettled, vague)
7
shifty(adjective, weak, sensitive, irregular)
7
skeptical(adjective, certain, doubt, nervous)
7
slippery(adjective, delicate, unstable, shaky)
7
unconfident(adjective, nervous, worried, hesitant)
6
infirm(adjective, weak, ill, sick, feeble)
6
temperamental(adjective, change, weak, continue, delicate)
6
unconvinced(adjective, nervous, hesitant, dubious)
6
unforeseeable(adjective, vague, unpredictable, changeable)
5
clouded(adjective, clear, certain, anxious)
5
conjectural(adjective, vague, changeable, theoretical)
5
dubitable(adjective, clear, certain, anxious)
5
flimsy(adjective, feeble, hesitant, sluggish)
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APASmart Define. (2016). uncertain thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/uncertain/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncertain thesaurus" https://smartdefine.org/uncertain/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, uncertain thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/uncertain/thesaurus/synonyms>.
MLASmart Define. "uncertain thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/uncertain/thesaurus/synonyms>