57 entries under adjective topic. ×
| dull | |
| shallow | |
| stupid | |
| idiotic | |
| mild | |
| muffled | |
| muted | |
| obtuse | |
| soft | |
| undiscriminating | |
| unintelligent | |
| bleary | |
| blunt | |
| cheerless | |
| cloudy | |
| coy | |
| delicate | |
| dim | |
| dizzy | |
| dreary |
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| APA | Smart Define. (2015). penetrating thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/penetrating/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "penetrating thesaurus" https://smartdefine.org/penetrating/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, penetrating thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/penetrating/thesaurus/antonyms>. |
| MLA | Smart Define. "penetrating thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/penetrating/thesaurus/antonyms> |