- Definitions|2
- Thesaurus|5.1k
- Abbreviations|0
165 entries under doubtful topic. ×
| equivocal(adjective, clear, open, rough, delicate) | |
| obscure(adjective, rough, uncertain, unreasonable) | |
| undependable(adjective, uncertain, nervous, dishonest) | |
| iffy(adjective, clear, open, delicate, informal) | |
| improbable(adjective, uncertain, unreasonable, likely) | |
| shaky(adjective, delicate, uncertain, nervous, unstable) | |
| indecisive(adjective, clear, open, delicate, certain) | |
| distrustful(adjective, uncertain, nervous, unsettled) | |
| dubitable(adjective, clear, certain, uncertain, anxious) | |
| moot(noun, adjective, open, uncertain) | |
| skeptical(adjective, certain, doubt, uncertain, nervous) | |
| unclear(adjective, clear, open, rough, certain) | |
| hesitant(adjective, open, uncertain, nervous) | |
| implausible(adjective, great, slight, extraordinary, amazing) | |
| arguable(noun, adjective, uncertain, unsettled) | |
| disreputable(adjective, uncertain, unsettled, unpredictable) | |
| fly-by-night(adjective, uncertain, nervous, dishonest) | |
| problematical(adjective, clear, certain, uncertain) | |
| unsteady(adjective, delicate, uncertain, unstable) | |
| incredible(adjective, great, extraordinary, unreasonable, amazing) |
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| APA | Smart Define. (2016). dubious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dubious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dubious thesaurus" https://smartdefine.org/dubious/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, dubious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dubious/thesaurus/synonyms>. |
| MLA | Smart Define. "dubious thesaurus" 4 March 2016. Web. 25 September 2026. <https://smartdefine.org/dubious/thesaurus/synonyms> |