- Definitions|2
- Thesaurus|2.7k
- Abbreviations|0
| gormless | |
| half-witted(weak, simple, silly, foolish, thoughtless) | |
| harebrained(weak, simple, silly, foolish, stupid) | |
| ineffective | |
| ineffectual | |
| inept | |
| jejune | |
| purposeless(adjective, silly, stupid, insignificant, ridiculous) | |
| reckless(silly, thoughtless, unwise) | |
| risible | |
| simple-minded(adjective, foolish, stupid) | |
| slow-witted | |
| thick-witted(adjective, foolish, crazy, insane) | |
| unoccupied(adjective, thoughtless) | |
| vain(adjective, silly, ridiculous, absurd, pointless) | |
| vapid | |
| jerky(adjective, characteristic, weak, simple, silly) | |
| vacant(adjective, thoughtless, imbecility folly) | |
| blank(adjective, thoughtless) | |
| airheaded |
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| APA | Smart Define. (2015). fatuous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fatuous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fatuous thesaurus" https://smartdefine.org/fatuous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, fatuous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fatuous/thesaurus/synonyms>. |
| MLA | Smart Define. "fatuous thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/fatuous/thesaurus/synonyms> |