- Definitions|0
- Thesaurus|128
- Abbreviations|0
| mad(unreasonable, irrational) | |
| needless | |
| poor(implausible, unconvincing) | |
| puerile(poor, implausible, unconvincing) | |
| rootless | |
| trifling(poor, implausible, unconvincing) | |
| trivial(poor, implausible, unconvincing) | |
| unasked for | |
| unbased | |
| unbelievable(poor, implausible, unconvincing) | |
| uncalled for(expression, unpardonable) | |
| unconvincing(poor, implausible) | |
| unforgivable(adjective, unwarranted, unfair, unjust, unjustified) | |
| unjustified | |
| unlooked-for | |
| unpardonable(adjective, unwarranted, unfair, unjust, unjustified) | |
| unpersuasive(poor, implausible, unconvincing) | |
| unprovoked | |
| unrequested | |
| unsolicited |
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| APA | Smart Define. (2015). ungrounded thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ungrounded/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "ungrounded thesaurus" https://smartdefine.org/ungrounded/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, ungrounded thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ungrounded/thesaurus/synonyms>. |
| MLA | Smart Define. "ungrounded thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/ungrounded/thesaurus/synonyms> |