Synonyms|102Antonyms|54|Broader|21Narrower|26Related|385

6 entries under earnest topic. ×

11
serious(expression, adjective, severity, harshness)
8
grave(expression, adjective, severity, harshness)
6
heavy(adjective, severity, harshness)
5
severe(expression, adjective, hard, harsh, severity)
2
critical(expression, adjective, severity, harshness)
2
solemn(expression, adjective, severity, harshness)
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APASmart Define. (2015). unserious thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unserious/thesaurus/antonyms
ChicagoSmart Define. 2015. "unserious thesaurus" https://smartdefine.org/unserious/thesaurus/antonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unserious thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unserious/thesaurus/antonyms>.
MLASmart Define. "unserious thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/unserious/thesaurus/antonyms>