63 entries under vague topic. ×
| unconfirmed(adjective, doubtful, unsettled, hesitant) | |
| undetermined(adjective, open, weak, uncertain, doubtful) | |
| unpredictable(adjective, uncertain, shy, doubtful) | |
| unproved(adjective, new, trial, intellectual) | |
| up in the air(expression, adjective, idiom, open, uncertain) | |
| waffling(adjective, open, weak, uncertain, doubtful) | |
| wishy-washy(open, weak, uncertain, doubtful) | |
| chancy(uncertain, doubtful, unsure) | |
| dithering(open, hesitant, wavering, indecisive) | |
| fitful(doubtful, unsure) | |
| hanging by a thread(expression, idiom, doubtful, unsure) | |
| hazy(doubtful, unsure) | |
| in doubt(expression, open, doubtful, unsure) | |
| incalculable(doubtful, unsure) | |
| inconstant(doubtful, hesitant, unsure, wavering) | |
| indistinct(doubtful, unsure) | |
| irregular(doubtful, unsure) | |
| on thin ice(expression, idiom, doubtful, unsure) | |
| touch and go(expression, idiom, doubtful, unsure) | |
| unfixed(doubtful, unsure) |
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| APA | Smart Define. (2015). tentative thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tentative/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "tentative thesaurus" https://smartdefine.org/tentative/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, tentative thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tentative/thesaurus/synonyms>. |
| MLA | Smart Define. "tentative thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/tentative/thesaurus/synonyms> |