- Definitions|1
- Thesaurus|102
- Abbreviations|0
50 entries under adjective topic. ×
| groundless(reason, false, unwarranted, untrue) | |
| baseless | |
| illogical(false, unwarranted, untrue, justification) | |
| unwarranted(right, reasonable) | |
| false(unwarranted, untrue, justification, illogical) | |
| flimsy(false, unwarranted, untrue, justification) | |
| idle(false, unwarranted, untrue, justification) | |
| invalid | |
| unfounded | |
| unsupported(false, unwarranted, untrue, justification) | |
| bogus | |
| causeless(false, unwarranted, justification, unsupported) | |
| chimerical(false, unwarranted, justification, unsupported) | |
| counterfeit | |
| deceitful | |
| deceptive | |
| dishonest | |
| empty | |
| erroneous | |
| fallacious |
For more, visit
Foundationless on
Power Thesaurus
| APA | Smart Define. (2013). foundationless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/foundationless/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "foundationless thesaurus" https://smartdefine.org/foundationless/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2013, foundationless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/foundationless/thesaurus/synonyms>. |
| MLA | Smart Define. "foundationless thesaurus" 17 June 2013. Web. 22 September 2026. <https://smartdefine.org/foundationless/thesaurus/synonyms> |