- Definitions|2
- Thesaurus|173
- Abbreviations|0
| surprising | |
| tentative(doubtful, vague, unsure) | |
| theoretical | |
| touchy(changeable, erratic, random) | |
| unascertainable | |
| uncalculated | |
| unclear(doubtful, vague, hesitant, changeable, unsure) | |
| undecided(doubtful, vague, hesitant, changeable, unsure) | |
| undeterminable | |
| unknowable(adjective, unpredictable) | |
| unknown | |
| unlooked for(expression, secret) | |
| unplanned | |
| unpremeditated | |
| unreliable(doubtful, vague, changeable, unsure, erratic) | |
| unsettled(doubtful, vague, unsure) | |
| unstable(changeable, erratic, random) | |
| unsuspected | |
| up in the air(expression, doubtful, vague, hesitant, changeable) | |
| vague(doubtful, hesitant, changeable, unsure, questionable) |
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| APA | Smart Define. (2015). unforeseeable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unforeseeable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unforeseeable thesaurus" https://smartdefine.org/unforeseeable/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, unforeseeable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unforeseeable/thesaurus/synonyms>. |
| MLA | Smart Define. "unforeseeable thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unforeseeable/thesaurus/synonyms> |