51 entries under doubtful topic. ×

4
in doubt(expression, adjective, uncertain, unsure)
4
mootable(adjective, open, certain, uncertain)
3
ambiguous(adjective, uncertain, dubious, tricky)
3
open to doubt(expression, idiom, uncertain, dubious)
3
shady(adjective, uncertain, dubious, suspect)
3
unconvinced(adjective, uncertain, unsure)
3
unreliable(adjective, uncertainty, uncertain, dubious)
2
borderline(adjective, uncertain, dubious, suspect)
2
equivocal(uncertain, vague, dubious, suspect)
2
fishy(adjective, uncertain, dubious, suspect)
2
unclear(adjective, uncertain, unsure)
2
unlikely(adjective, uncertain, unsure, debatable)
2
untrustworthy(uncertainty, uncertain, dubious, suspect)
1
chancy(uncertain, dubious, tricky, questionable)
1
enigmatic(uncertain, dubious, tricky, sticky)
1
far-fetched(uncertain, unsure)
1
fly-by-night(uncertain, unsure)
1
improbable(uncertain, unsure)
1
indecisive(uncertain, dubious, tricky, unsure)
1
touch and go(uncertain, dubious, unsure, questionable)
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APASmart Define. (2015). disputable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/disputable/thesaurus/synonyms
ChicagoSmart Define. 2015. "disputable thesaurus" https://smartdefine.org/disputable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, disputable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/disputable/thesaurus/synonyms>.
MLASmart Define. "disputable thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/disputable/thesaurus/synonyms>