27 entries under noun topic. ×
| dark | |
| dullness | |
| darkness | |
| stupidity | |
| gloom | |
| dimness | |
| gloominess | |
| low light(light, brightness, luminescence, illumination) | |
| unimportance | |
| obtuseness | |
| apathy | |
| bluntness | |
| boredom | |
| dowdiness | |
| drabness | |
| dreariness | |
| dulness | |
| flatness | |
| hardness | |
| ignorance |
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| APA | Smart Define. (2015). brilliance thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/brilliance/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "brilliance thesaurus" https://smartdefine.org/brilliance/thesaurus/antonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, brilliance thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/brilliance/thesaurus/antonyms>. |
| MLA | Smart Define. "brilliance thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/brilliance/thesaurus/antonyms> |