74 entries under doubtful topic. ×
| on thin ice(expression, idiom, shaky, vague) | |
| precarious(shaky, vague, unsure, unlikely) | |
| problematical(adjective, obscure, uncertain, dubious) | |
| suspect(uncertain, shaky, vague, dubious) | |
| unfinished(adjective, open, uncertain, vague) | |
| up for grabs(expression, idiom, vague, hesitant) | |
| up in the air(expression, adjective, idiom, open, certain) | |
| complicated(adjective, vague, unclear, ambiguous) | |
| hanging by a thread(expression, vague, hesitant, changeable) | |
| intricate(adjective, vague, unclear, ambiguous) | |
| risky(adjective, vague, hesitant, unsure) | |
| touch and go(expression, idiom, vague, unsure) | |
| unapt | |
| unforeseeable(vague, hesitant, changeable, unsure) |
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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> |