- Definitions|2
- Thesaurus|2k
- Abbreviations|0
44 entries under foolish topic. ×
| groundless(adjective, reason, true, crazy) | |
| unsound(adjective, wrong, fake, false, counterfeit) | |
| baseless(adjective, false, true, crazy) | |
| fallacious(adjective, wrong, fake, false, counterfeit) | |
| invalid(adjective, wrong, fake, false, counterfeit) | |
| unreasonable(adjective, irrational, unwarranted, illogical) | |
| specious(adjective, wrong, fake, false, counterfeit) | |
| wrong(adjective, fake, false, counterfeit) | |
| irrational(adjective, unreasonable, illogical, defended) | |
| senseless(false, unreasonable, irrational, illogical) | |
| absurd(adjective, wild, unreasonable, fabulous) | |
| crazy(unreasonable, illogical) | |
| ridiculous(adjective, unreasonable, illogical, defended) | |
| sophistic(adjective, unreasonable, irrational, illogical) | |
| reasonless(adjective, wrong, false, crazy) | |
| aberrant(unreasonable, illogical) | |
| brainless(unreasonable, illogical) | |
| cockamamie(unreasonable, illogical) | |
| delirious(unreasonable, illogical) | |
| demented(unreasonable, illogical) |
For more, visit
Unfounded on
Power Thesaurus
| APA | Smart Define. (2015). unfounded thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unfounded/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unfounded thesaurus" https://smartdefine.org/unfounded/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, unfounded thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unfounded/thesaurus/synonyms>. |
| MLA | Smart Define. "unfounded thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/unfounded/thesaurus/synonyms> |