74 entries under doubtful topic. ×
| variable(adjective, careless, loose, vague) | |
| erratic(adjective, loose, vague, hesitant) | |
| evasive(adjective, uncertain, careful, vague) | |
| abstruse(adjective, uncertain, vague, intellectual) | |
| ambivalent(adjective, open, vague, hesitant) | |
| chancy(shaky, vague, unsure, unlikely) | |
| conjectural(adjective, unsettled, vague, questionable) | |
| hesitating(adjective, uncertain, hesitant, wavering) | |
| in doubt(expression, adjective, open, obscure) | |
| insecure(adjective, open, uncertain, unsettled) | |
| speculative(unsettled, shaky, vague, theoretical) | |
| tentative(adjective, open, uncertain, careful) | |
| unconfirmed(uncertain, unsettled, vague, dubious) | |
| unintelligible(adjective, obscure, rough, uncertain) | |
| contingent(uncertain, unsettled, vague, dubious) | |
| dubitable(obscure, uncertain, shaky, dubious) | |
| fishy(uncertain, shaky, vague, dubious) | |
| fitful(adjective, vague, hesitant, changeable) | |
| iffy(open, uncertain, unsettled, dubious) | |
| misleading(adjective, uncertain, faint, vague) |
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| APA | Smart Define. (2015). indefinite thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/indefinite/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indefinite thesaurus" https://smartdefine.org/indefinite/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, indefinite thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/indefinite/thesaurus/synonyms>. |
| MLA | Smart Define. "indefinite thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/indefinite/thesaurus/synonyms> |