596 entries under adjective topic. ×

7
spasmodic(unstable, irregular, unsettled, unpredictable)
7
unconfident(nervous, doubtful, worried, hesitant)
6
changeful(upset, anxious, unstable, irregular)
6
critical(difficult, delicate, tricky, thorny)
6
false(unpredictable, fickle, variable, untrustworthy)
6
fluky(chance, unpredictable, changeable, risky)
6
inexact(open, rough, loose, error)
6
infirm(weak, ill, sick, feeble)
6
occasional(chance, irregular, unreliable, uneven)
6
temperamental(change, weak, continue, delicate)
6
unconvinced(nervous, doubtful, hesitant, dubious)
6
unforeseeable(doubtful, vague, unpredictable, changeable)
6
whimsical(change, continue, unstable, unsettled)
5
adrift(noun, loose)
5
aimless(uncertainty, erratic, random, haphazard)
5
arbitrary(unusual, irregular, unreliable, changeable)
5
awkward(difficult, delicate, hesitant, tricky)
5
cautious(hesitant, unenthusiastic, unwilling, disinclined)
5
clouded(clear, certain, anxious, doubtful)
5
conjectural(doubtful, vague, changeable, theoretical)
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APASmart Define. (2016). uncertain thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/uncertain/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncertain thesaurus" https://smartdefine.org/uncertain/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, uncertain thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/uncertain/thesaurus/synonyms>.
MLASmart Define. "uncertain thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/uncertain/thesaurus/synonyms>