18 entries under clear topic. ×

12
doubtful(adjective, open, certain, doubt)
10
dubious(adjective, open, certain, doubt)
10
questionable(adjective, certain, uncertain, doubtful)
8
uncertain(adjective, open, certain, doubt)
5
problematic(adjective, certain, uncertain, doubtful)
5
unsure(adjective, open, obscure, certain)
4
ambiguous(adjective, open, obscure, certain)
4
problematical(adjective, certain, ambiguous)
3
iffy(adjective, open, certain, uncertain)
3
indeterminate(adjective, obscure, certain, uncertain)
2
dubitable(adjective, obscure, certain, uncertain)
2
equivocal(adjective, open, obscure, certain)
2
unclear(adjective, open, obscure, certain)
1
borderline(adjective, open, certain, uncertain)
1
chancy(adjective, certain, uncertain, anxious)
1
clouded(adjective, obscure, certain, uncertain)
1
inconclusive(adjective, obscure, certain, uncertain)
1
indecisive(adjective, open, obscure, certain)
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APASmart Define. (2015). in doubt thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/in_doubt/thesaurus/synonyms
ChicagoSmart Define. 2015. "in doubt thesaurus" https://smartdefine.org/in_doubt/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, in doubt thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/in_doubt/thesaurus/synonyms>.
MLASmart Define. "in doubt thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/in_doubt/thesaurus/synonyms>