117 entries under vague topic. ×
| broad(adjective, unknown, general, unclear) | |
| fitful(uneven, unsure, unbalanced, unhinged) | |
| imagined(adjective, uncertain, imaginary, problematic) | |
| incalculable(dubious, changeable, unsure, risky) | |
| indeterminable(adjective, unknown, general, unclear) | |
| inexhaustible(adjective, unknown, general, unclear) | |
| infinite(adjective, unknown, general, unclear) | |
| innumerable(adjective, unknown, general, unclear) | |
| intangible(adjective, unknown, general, unclear) | |
| lax(adjective, rough, unclear, hazy) | |
| multivocal(uncertain, unclear) | |
| polysemous(uncertain, unclear) | |
| unforeseeable(changeable, unsure, erratic, random) | |
| unlimited(adjective, unknown, general, unclear) | |
| variable(changeable, uneven, unsure, unbalanced) | |
| wide(adjective, unknown, general, unclear) | |
| woolly(uncertain, unclear) |
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| APA | Smart Define. (2016). doubtful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/doubtful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "doubtful thesaurus" https://smartdefine.org/doubtful/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, doubtful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/doubtful/thesaurus/synonyms>. |
| MLA | Smart Define. "doubtful thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/doubtful/thesaurus/synonyms> |