- Definitions|2
- Thesaurus|247
- Abbreviations|0
50 entries under questionable topic. ×
| doubtful(adjective, clear, certain, uncertain, unsettled) | |
| dubious(adjective, clear, certain, uncertain, anxious) | |
| problematic(adjective, clear, open, certain, uncertain) | |
| fishy(adjective, uncertain, doubtful, dubious, suspicious) | |
| suspicious(adjective, uncertain, doubtful, dubious, unclear) | |
| borderline(adjective, clear, certain, uncertain, doubtful) | |
| iffy(adjective, clear, informal, certain, uncertain) | |
| suspect(uncertain, doubtful, dubious, unclear) | |
| uncertain(adjective, clear, certain, anxious, doubtful) | |
| debatable(adjective, uncertain, doubtful, unsettled, shaky) | |
| equivocal(adjective, clear, certain, uncertain, anxious) | |
| ambiguous(adjective, clear, certain, uncertain, anxious) | |
| indecisive(adjective, clear, certain, uncertain, anxious) | |
| shady(adjective, uncertain, doubtful, shaky, dubious) | |
| unsure(adjective, clear, obscure, certain, uncertain) | |
| inconclusive(adjective, clear, obscure, certain, uncertain) | |
| open(adjective, uncertain, doubtful, unsettled, shaky) | |
| arguable(adjective, uncertain, doubtful, unsettled, dubious) | |
| chancy(adjective, clear, certain, uncertain, doubtful) | |
| clouded(adjective, clear, obscure, certain, uncertain) |
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| APA | Smart Define. (2015). dubitable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/dubitable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "dubitable thesaurus" https://smartdefine.org/dubitable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, dubitable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/dubitable/thesaurus/synonyms>. |
| MLA | Smart Define. "dubitable thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/dubitable/thesaurus/synonyms> |