- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
116 entries under adjective topic. ×
| futile(empty, worthless, frivolous, ineffective) | |
| illogic | |
| ineffective(empty, worthless, frivolous, futile) | |
| justification(unwarranted, unsupported, baseless) | |
| not necessary(expression, senseless, unwarranted, wanton) | |
| not serious(expression, empty, worthless, frivolous) | |
| of no avail(expression, idiom, empty, worthless) | |
| otiose(empty, worthless, frivolous, ineffective) | |
| rambling(empty, worthless, frivolous, ineffective) | |
| sham | |
| supererogatory(senseless, unwarranted, wanton, gratuitous) | |
| unauthorized(reason, justification) | |
| unavailing(empty, worthless, frivolous, ineffective) | |
| uncalled for(expression, senseless, unwarranted, wanton) | |
| unmaintainable | |
| unproductive(empty, worthless, frivolous, ineffective) |
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| APA | Smart Define. (2015). groundless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/groundless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "groundless thesaurus" https://smartdefine.org/groundless/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, groundless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/groundless/thesaurus/synonyms>. |
| MLA | Smart Define. "groundless thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/groundless/thesaurus/synonyms> |