50 entries under noun topic. ×
| night | |
| dark(time, place, daybreak) | |
| darkness | |
| dullness | |
| gloom(darkness, blackness) | |
| murkiness | |
| shade(lightness, dimness) | |
| dimness | |
| gloominess | |
| obscurity | |
| shadow | |
| abstruseness | |
| ambiguity | |
| blackness | |
| cloudiness | |
| haziness | |
| bleakness | |
| dinginess | |
| duskiness | |
| faintness |
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| APA | Smart Define. (2016). brightness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/brightness/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "brightness thesaurus" https://smartdefine.org/brightness/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, brightness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/brightness/thesaurus/antonyms>. |
| MLA | Smart Define. "brightness thesaurus" 29 February 2016. Web. 29 September 2026. <https://smartdefine.org/brightness/thesaurus/antonyms> |