52 entries under adjective topic. ×
| foggy | |
| misty | |
| nebulous | |
| unintelligible | |
| darkish | |
| bleak | |
| cheerless | |
| deep | |
| depressing | |
| difficult | |
| dour | |
| funereal | |
| glum | |
| grim | |
| heavy | |
| impenetrable | |
| malicious | |
| melancholy | |
| morose | |
| muddy |
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| APA | Smart Define. (2016). luminous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/luminous/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "luminous thesaurus" https://smartdefine.org/luminous/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, luminous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/luminous/thesaurus/antonyms>. |
| MLA | Smart Define. "luminous thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/luminous/thesaurus/antonyms> |