77 entries under adjective topic. ×

3
suspect(uncertain, doubtful, shaky, unsure)
3
suspecting(careful, doubtful, suspicious, wary)
3
unresolved(open, uncertain, doubtful, unsettled)
2
controversial
2
dubitable(clear, obscure, certain, uncertain)
2
equivocal(clear, open, obscure, certain)
2
indefinite(open, obscure, doubtful, shaky)
2
open to question(expression, idiom)
2
unclear(clear, open, obscure, certain)
2
unsettled(open, uncertain, doubtful, vague)
1
betwixt and between(expression, open, uncertain, unsettled)
1
borderline(clear, open, certain, uncertain)
1
chancy(clear, certain, uncertain, anxious)
1
clouded(clear, obscure, certain, uncertain)
1
fishy(uncertain, doubtful, shaky, unsure)
1
hesitant(open, uncertain, doubtful, unsettled)
1
inconclusive(clear, obscure, certain, uncertain)
1
indecisive(clear, open, obscure, certain)
1
obscure(shaky, indefinite, unlikely, equivocal)
1
open(uncertain, doubtful, shaky, unsure)
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APASmart Define. (2015). in doubt thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/in_doubt/thesaurus/synonyms
ChicagoSmart Define. 2015. "in doubt thesaurus" https://smartdefine.org/in_doubt/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, in doubt thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/in_doubt/thesaurus/synonyms>.
MLASmart Define. "in doubt thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/in_doubt/thesaurus/synonyms>