- Definitions|0
- Thesaurus|218
- Abbreviations|0
41 entries under open topic. ×
| doubtful(adjective, clear, certain, doubt) | |
| debatable(adjective, uncertain, doubtful, shaky) | |
| dubious(adjective, clear, certain, doubt) | |
| uncertain(adjective, clear, certain, doubt) | |
| undecided(adjective, certain, doubt, uncertain) | |
| unsure(adjective, clear, obscure, certain) | |
| ambiguous(adjective, clear, obscure, certain) | |
| vague(adjective, obscure, uncertain, doubtful) | |
| iffy(adjective, clear, certain, uncertain) | |
| moot(adjective, uncertain, doubtful, unsettled) | |
| unresolved(adjective, uncertain, doubtful, unsettled) | |
| equivocal(adjective, clear, obscure, certain) | |
| indefinite(adjective, obscure, doubtful, shaky) | |
| unclear(adjective, clear, obscure, certain) | |
| unsettled(adjective, uncertain, doubtful, vague) | |
| betwixt and between(expression, adjective, uncertain, unsettled) | |
| borderline(adjective, clear, certain, uncertain) | |
| hesitant(adjective, uncertain, doubtful, unsettled) | |
| indecisive(adjective, clear, obscure, certain) | |
| undetermined(adjective, uncertain, doubtful, unsettled) |
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| APA | Smart Define. (2015). in doubt thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/in_doubt/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "in doubt thesaurus" https://smartdefine.org/in_doubt/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, in doubt thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/in_doubt/thesaurus/synonyms>. |
| MLA | Smart Define. "in doubt thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/in_doubt/thesaurus/synonyms> |