134 entries under vague topic. ×

10
hazy(adjective, rough, doubtful, unsettled)
10
tentative(adjective, open, weak, doubtful, unsettled)
10
wishy-washy(adjective, open, weak, unstable, doubtful)
9
fitful(adjective, unstable, irregular, doubtful, unsettled)
9
mysterious(adjective, dark, doubtful, dubious)
8
casual(adjective, uncertainty, chance, erratic)
8
controversial(noun, adjective, doubtful, unsettled)
8
enigmatic(adjective, obscure, rough, difficult, doubtful)
8
open(adjective, certain, nervous, unstable, doubtful)
8
undefined(adjective, doubtful, dubious, unknown)
8
unsound(adjective, delicate, loose, sensitive, feeble)
7
borderline(adjective, clear, open, delicate, certain)
7
confused(noun, adjective, upset, anxious, unsettled)
7
shady(adjective, honest, doubtful, unsettled)
6
inexact(adjective, open, rough, loose, error)
6
unforeseeable(adjective, doubtful, unpredictable, changeable)
5
conjectural(adjective, doubtful, changeable, theoretical)
5
foggy(adjective, rough, confused, inexact)
5
inexplicit(adjective, clear, certain, unclear)
5
puzzling(dark, mysterious, unclear, tricky)
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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>