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

7 entries under expression topic. ×

11
serious(adjective, severity, earnest, harshness)
8
earnest(noun, adjective, cool, cold)
8
grave(adjective, severity, earnest, harshness)
5
severe(adjective, hard, harsh, severity)
2
critical(adjective, severity, earnest, harshness)
2
solemn(adjective, severity, earnest, harshness)
-3
matter of fact(adjective, idiom, unimportant, sober)
For more, visit Unserious on Power Thesaurus
11 years ago|1.2k views|share |citing 
APASmart Define. (2015). unserious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unserious/thesaurus/antonyms
ChicagoSmart Define. 2015. "unserious thesaurus" https://smartdefine.org/unserious/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unserious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unserious/thesaurus/antonyms>.
MLASmart Define. "unserious thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/unserious/thesaurus/antonyms>