- Definitions|2
- Thesaurus|663
- Abbreviations|0
| shifty(adjective, unpredictable, fickle, variable, undependable) | |
| slipup | |
| social(hominid, humanoid, hominoid) | |
| specious(adjective, unpredictable, hollow, fickle, variable) | |
| suboptimal | |
| substandard | |
| tricky(adjective, unpredictable, fickle, variable, undependable) | |
| unaccented | |
| unconvincing(adjective, unpredictable, hollow, fickle, variable) | |
| undemonstrable | |
| underhand(adjective, unpredictable, fickle, variable, undependable) | |
| underhanded(adjective, unpredictable, hollow, fickle, variable) | |
| undistinguished | |
| unenforceable | |
| unfaithful(adjective, unpredictable, fickle, variable, undependable) | |
| unproved | |
| unreasonable | |
| unsatisfactory | |
| unscientific | |
| unstable(adjective, unpredictable, fickle, variable, undependable) |
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| APA | Smart Define. (2015). fallible thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fallible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fallible thesaurus" https://smartdefine.org/fallible/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, fallible thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fallible/thesaurus/synonyms>. |
| MLA | Smart Define. "fallible thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/fallible/thesaurus/synonyms> |