99 entries under vague topic. ×

12
unclear(adjective, clear, open, rough, certain)
11
hesitant(adjective, open, uncertain, nervous, doubtful)
10
problematical(adjective, clear, certain, uncertain, doubtful)
9
indeterminate(adjective, clear, obscure, rough, certain)
9
insecure(adjective, delicate, uncertain, nervous, unstable)
9
mistrustful(adjective, uncertain, nervous, doubtful)
9
open(adjective, uncertain, nervous, unstable, doubtful)
8
controversial(noun, adjective, uncertain, hot, doubtful)
7
wavering(adjective, open, uncertain, nervous, dishonest)
6
chancy(adjective, clear, delicate, certain, uncertain)
6
unpredictable(adjective, weak, loose, uncertain, irregular)
5
borderline(adjective, clear, open, delicate, certain)
5
conjectural(adjective, doubtful, unsure)
5
disinclined(adjective, unclear, ambiguous, averse)
5
speculative(uncertain, doubtful, unclear, unsure)
5
unresolved(adjective, open, uncertain, doubtful, unsettled)
5
vacillating(adjective, uncertain, nervous, doubtful, unsettled)
4
ambivalent(open, doubtful, unsure, ambiguous)
4
cryptic(uncertain, dishonest, doubtful, unreliable)
4
erratic(adjective, weak, unusual, strange, loose)
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APASmart Define. (2016). dubious thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/dubious/thesaurus/synonyms
ChicagoSmart Define. 2016. "dubious thesaurus" https://smartdefine.org/dubious/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, dubious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/dubious/thesaurus/synonyms>.
MLASmart Define. "dubious thesaurus" 4 March 2016. Web. 26 September 2026. <https://smartdefine.org/dubious/thesaurus/synonyms>