63 entries under doubtful topic. ×
| irresolute(adjective, uncertain, unstable, shy, irregular) | |
| vacillating(adjective, uncertain, unstable, shy, irregular) | |
| insecure(adjective, vague, uneven, untrustworthy) | |
| questionable(adjective, uncertain, vague, hesitant) | |
| unfixed(adjective, vague, changeable, questionable) | |
| untrustworthy(adjective, weak, careless, loose, foolish) | |
| hesitant(adjective, uncertain, shy, vague) | |
| indefinite(adjective, loose, vague, hesitant) | |
| conjectural(adjective, vague, hesitant, changeable) | |
| irrational(adjective, weak, silly, uncertain, crazy) | |
| slippery(adjective, weak, uncertain, sensitive) | |
| speculative(vague, unsure, intention, risky) | |
| undecided(adjective, uncertain, vague, hesitant) | |
| unresolved(adjective, vague, hesitant, changeable) | |
| vague(adjective, unstable, hesitant, changeable) | |
| ambiguous(vague, uneven, unsure, unbalanced) | |
| doubting(adjective, uncertain, shy, hesitant) | |
| shifty(adjective, weak, uncertain, sensitive) | |
| skeptical(adjective, uncertain, shy, hesitant) | |
| unclear(adjective, vague, hesitant, changeable) |
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| APA | Smart Define. (2015). unpredictable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unpredictable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unpredictable thesaurus" https://smartdefine.org/unpredictable/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, unpredictable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unpredictable/thesaurus/synonyms>. |
| MLA | Smart Define. "unpredictable thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/unpredictable/thesaurus/synonyms> |