- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
53 entries under adjective topic. ×
| reasonable | |
| justified | |
| valid | |
| convincing | |
| logical | |
| rational | |
| solid | |
| well-founded | |
| genuine | |
| sane | |
| sensible | |
| true | |
| grounded(right, reasonable, reasonless, volant) | |
| intelligent(mind, foolishness, disability) | |
| justifiable | |
| proven | |
| tenable | |
| warranted | |
| accurate | |
| apt |
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| APA | Smart Define. (2015). groundless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/groundless/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "groundless thesaurus" https://smartdefine.org/groundless/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, groundless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/groundless/thesaurus/antonyms>. |
| MLA | Smart Define. "groundless thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/groundless/thesaurus/antonyms> |