49 entries under doubtful topic. ×

3
in doubt(expression, adjective, uncertain, unsure)
2
ambiguous(adjective, uncertain, unsettled, vague)
2
iffy(uncertain, dubious, tricky, questionable)
2
mootable(adjective, certain, uncertain, dubious)
2
shady(adjective, uncertain, dubious, unsure)
2
unconvinced(adjective, uncertain, unsure)
2
unlikely(adjective, uncertain, unsure, debatable)
2
unreliable(adjective, uncertain, dubious, unsure)
2
wavering(adjective, uncertain, unsure)
1
chancy(adjective, uncertain, hesitant, dubious)
1
enigmatic(uncertain, dubious, tricky, sticky)
1
equivocal(adjective, uncertain, unsettled, vague)
1
far-fetched(uncertain, unsure)
1
fishy(uncertain, dubious, unsure, unsubstantiated)
1
fly-by-night(uncertain, unsure)
1
improbable(uncertain, unsure)
1
touch and go(uncertain, dubious, unsure, questionable)
1
unassured(uncertain, unsure)
1
unclear(uncertain, unsure)
1
untrusty(uncertain, unsure)
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APASmart Define. (2015). arguable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/arguable/thesaurus/synonyms
ChicagoSmart Define. 2015. "arguable thesaurus" https://smartdefine.org/arguable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, arguable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/arguable/thesaurus/synonyms>.
MLASmart Define. "arguable thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/arguable/thesaurus/synonyms>