596 entries under adjective topic. ×

9
irresponsible(unstable, unsettled, unpredictable, unreliable)
9
mysterious(dark, doubtful, vague, dubious)
9
problematical(clear, certain, doubtful, dubious)
9
random(uncertainty, chance, unpredictable, changeable)
9
touchy(difficult, delicate, passionate, nervous)
8
casual(uncertainty, chance, vague, erratic)
8
controversial(noun, doubtful, unsettled, vague)
8
delicate(difficult, sensitive, unstable, ill)
8
diffident(awkward, nervous, doubtful, hesitant)
8
enigmatic(obscure, rough, difficult, doubtful)
8
faltering(weak, doubtful, unsettled, hesitant)
8
fluctuating(weak, unstable, irregular, doubtful)
8
open(certain, nervous, unstable, doubtful)
8
rocky(weak, delicate, anxious, sensitive)
8
sensitive(weak, delicate, passionate, unstable)
8
shifting(upset, anxious, unstable, irregular)
8
timid(weak, hesitant, cautious, indecisive)
8
undefined(doubtful, vague, dubious, unknown)
8
uneasy(upset, anxious, awkward, nervous)
8
unsound(delicate, loose, sensitive, feeble)
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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>