50 entries under dubious topic. ×
| indefinite(adjective, rough, uncertainty, uncertain, limited) | |
| vague(adjective, dull, clear, character, rough) | |
| indistinct(adjective, obscure, rough, uncertainty, uncertain) | |
| uncertain(adjective, clear, obscure, rough, certain) | |
| ambiguous(adjective, clear, obscure, rough, certain) | |
| unclear(adjective, clear, obscure, rough, certain) | |
| obscure(adjective, rough, uncertain, doubtful, unsettled) | |
| doubtful(adjective, clear, obscure, rough, certain) | |
| equivocal(adjective, clear, obscure, rough, certain) | |
| undefined(adjective, weak, uncertainty, uncertain, doubtful) | |
| indecisive(adjective, clear, certain, uncertain, doubtful) | |
| unsure(adjective, clear, rough, certain, uncertain) | |
| questionable(adjective, clear, certain, uncertain, doubtful) | |
| contingent(adjective, uncertain, doubtful, shaky, vague) | |
| unsettled(adjective, rough, uncertain, doubtful, vague) | |
| iffy(adjective, clear, informal, certain, uncertain) | |
| open(adjective, uncertain, nervous, doubtful, unsettled) | |
| problematic(adjective, clear, rough, certain, uncertain) | |
| borderline(adjective, clear, certain, uncertain, anxious) | |
| enigmatic(obscure, uncertain, doubtful, vague) |
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| APA | Smart Define. (2015). indeterminate thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/indeterminate/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indeterminate thesaurus" https://smartdefine.org/indeterminate/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, indeterminate thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/indeterminate/thesaurus/synonyms>. |
| MLA | Smart Define. "indeterminate thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/indeterminate/thesaurus/synonyms> |