82 entries under adjective topic. ×
| joyful(upset, sad) | |
| joyous | |
| mawkish(emotional, sentimental) | |
| mild | |
| nonchalant | |
| priceless(funny, cheap) | |
| rich(funny, lacking, wanting) | |
| sprightly | |
| witty(funny, clever) | |
| adroit | |
| agile | |
| agreeable | |
| astute | |
| benign | |
| bright | |
| brilliant | |
| cheerful | |
| cheery | |
| childish(silly, immature) | |
| convivial |
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| APA | Smart Define. (2016). serious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/serious/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "serious thesaurus" https://smartdefine.org/serious/thesaurus/antonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, serious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/serious/thesaurus/antonyms>. |
| MLA | Smart Define. "serious thesaurus" 24 February 2016. Web. 28 September 2026. <https://smartdefine.org/serious/thesaurus/antonyms> |