193 entries under adjective topic. ×
| unconfirmed(doubtful, unsettled, vague, hesitant) | |
| under probation(expression, new, trial, untried) | |
| undetermined(open, weak, uncertain, doubtful) | |
| uneager(uncertain, shy, doubtful, hesitant) | |
| unpolished | |
| unpredictable(uncertain, shy, doubtful, vague) | |
| unproved(new, trial, vague, intellectual) | |
| up in the air(expression, idiom, open, uncertain) | |
| waffling(open, weak, uncertain, doubtful) | |
| weak-minded | |
| wimpy(weak, uncertain, nervous, doubtful) | |
| approximate | |
| balloon(experimental, probationary, investigative, examining) | |
| basic | |
| dainty | |
| emergency | |
| expedient | |
| fundamental | |
| higher | |
| inductive(probationary, exploratory) |
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| APA | Smart Define. (2015). tentative thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/tentative/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "tentative thesaurus" https://smartdefine.org/tentative/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, tentative thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/tentative/thesaurus/synonyms>. |
| MLA | Smart Define. "tentative thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/tentative/thesaurus/synonyms> |