21 entries under adjective topic. ×
| serious | |
| sober | |
| solemn | |
| goofy | |
| severe | |
| weighty | |
| acute | |
| austere | |
| bad | |
| big | |
| critical | |
| dangerous | |
| deep | |
| devout | |
| dull | |
| great | |
| grievous | |
| grim | |
| hard | |
| heavy |
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| APA | Smart Define. (2015). flip thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/flip/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "flip thesaurus" https://smartdefine.org/flip/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, flip thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/flip/thesaurus/antonyms>. |
| MLA | Smart Define. "flip thesaurus" 7 May 2015. Web. 24 September 2026. <https://smartdefine.org/flip/thesaurus/antonyms> |
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