- Definitions|2
- Thesaurus|982
- Abbreviations|0
96 entries under adjective topic. ×
| groundless(reason, poor, foolish, true) | |
| unfounded(false, foolish, true, crazy) | |
| unwarranted(right, reasonable, true, untrue) | |
| idle(false, true, hollow, unwarranted) | |
| unjustified(unwarranted, untrue, illogical, deceptive) | |
| ungrounded(poor, negative, untrue, vacant) | |
| bottomless(false, true, senseless, unwarranted) | |
| gratuitous(false, unwarranted, untrue, necessary) | |
| unjustifiable(unwarranted, substantiation) | |
| unsupported(false, unwarranted, untrue, substantiation) | |
| flimsy(poor, negative, untrue, implausible) | |
| uncalled-for(false, senseless, unwarranted, untrue) | |
| unsound(foolish, unreasonable, worthless, unacceptable) | |
| false(poor, worthless, unwarranted, unacceptable) | |
| indefensible(senseless, unwarranted, wanton, gratuitous) | |
| unsubstantiated | |
| untenable | |
| invalid(foolish, unreasonable, worthless, unacceptable) | |
| unsustainable | |
| vain |
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| APA | Smart Define. (2015). baseless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/baseless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "baseless thesaurus" https://smartdefine.org/baseless/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, baseless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/baseless/thesaurus/synonyms>. |
| MLA | Smart Define. "baseless thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/baseless/thesaurus/synonyms> |