- Definitions|2
- Thesaurus|2k
- Abbreviations|0
124 entries under foolish topic. ×
| simpleminded(adjective, dull, simple, silly) | |
| slow(adjective, dull, simple, silly) | |
| stolid(adjective, dull, simple, slow) | |
| tomfool | |
| birdbrained(silly, impulsive, impractical, unintelligent) | |
| cretinous | |
| demented(unreasonable, illogical) | |
| flaky(unreasonable, illogical) | |
| flighty(adjective, simple, careless, stupid) | |
| indiscreet(adjective, dull, weak, simple, silly) | |
| jackass(noun, adjective) | |
| kooky(weak, simple, silly, unreasonable) | |
| nitwit(noun, adjective) | |
| nitwitted(adjective, simple, silly, stupid) | |
| pointless(dull, silly, stupid, absurd) | |
| preposterous(adjective, weak, simple, silly) | |
| reasonless(unreasonable, illogical) | |
| thick-headed(dull, silly, stupid, unintelligent) | |
| unstable(unreasonable, unsteady, illogical, dizzy) | |
| zany(weak, simple, silly, thoughtless) |
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| APA | Smart Define. (2016). brainless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/brainless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "brainless thesaurus" https://smartdefine.org/brainless/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, brainless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/brainless/thesaurus/synonyms>. |
| MLA | Smart Define. "brainless thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/brainless/thesaurus/synonyms> |