- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
20 entries under reason topic. ×
| baseless(adjective, poor, foolish, true) | |
| unfounded(adjective, foolish, true, crazy) | |
| unwarranted(adjective, right, reasonable, true) | |
| idle(adjective, false, true, worthless) | |
| illogical(adjective, poor, foolish, sense) | |
| unjustified(adjective, unwarranted, untrue, justification) | |
| false(adjective, poor, error, reasoning) | |
| unsupported(adjective, unwarranted, untrue, justification) | |
| gratuitous(adjective, useless, unwarranted, untrue) | |
| flimsy(adjective, poor, negative, unwarranted) | |
| empty(adjective, negative, worthless, unwarranted) | |
| bottomless(adjective, false, true, senseless) | |
| chimerical(adjective, justification) | |
| illusory(adjective, justification) | |
| imaginary(adjective, justification) | |
| uncalled-for(adjective, false, useless, senseless) | |
| causeless(adjective, useless, senseless, unwarranted) | |
| unprovoked(adjective, senseless, unwarranted, reckless) | |
| foundationless(adjective, false, unwarranted, untrue) | |
| unauthorized(adjective, justification) |
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| APA | Smart Define. (2015). groundless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/groundless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "groundless thesaurus" https://smartdefine.org/groundless/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, groundless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/groundless/thesaurus/synonyms>. |
| MLA | Smart Define. "groundless thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/groundless/thesaurus/synonyms> |