50 entries under dubious topic. ×

3
debatable(adjective, uncertain, doubtful, shaky, vague)
3
dubitable(adjective, clear, obscure, certain, uncertain)
3
problematical(adjective, clear, obscure, certain, uncertain)
2
cryptic(obscure, uncertain, doubtful, vague)
2
suspicious(adjective, uncertain, nervous, doubtful, unsettled)
1
betwixt and between(expression, adjective, idiom, uncertain, nervous)
1
distrustful(adjective, uncertain, nervous, doubtful, shaky)
1
evasive(adjective, uncertain, doubtful, vague)
1
fishy(uncertain, doubtful, shaky, vague)
1
fluctuant(adjective, uncertain, nervous, doubtful, shaky)
1
fly-by-night(adjective, loose, uncertain, nervous, doubtful)
1
in a quandary(expression, adjective, idiom, uncertain, nervous)
1
insecure(adjective, uncertain, nervous, doubtful, unsettled)
1
lacking(adjective, uncertain, nervous, doubtful)
1
mistrustful(adjective, uncertain, nervous, doubtful, hesitant)
1
rootless(adjective, uncertain, nervous, doubtful, shaky)
1
shady(uncertain, doubtful, shaky, unlikely)
1
skeptical(adjective, uncertain, nervous, doubtful, shaky)
1
suspect(uncertain, doubtful, shaky, vague)
1
touch and go(expression, adjective, idiom, uncertain, nervous)
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APASmart Define. (2015). indeterminate thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/indeterminate/thesaurus/synonyms
ChicagoSmart Define. 2015. "indeterminate thesaurus" https://smartdefine.org/indeterminate/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, indeterminate thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/indeterminate/thesaurus/synonyms>.
MLASmart Define. "indeterminate thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/indeterminate/thesaurus/synonyms>