41 entries under adjective topic. ×

5
staid
4
earnest(work, heavy, serious)
4
grave
4
grim
4
sedate
4
serious(work, heavy)
4
sober
4
solemn
4
unsmiling
4
weighty
3
severe
3
thoughtful
2
businesslike(work, heavy, serious)
2
long-faced
2
no-nonsense(work, heavy, serious)
2
resolute
2
set
2
steady
2
stern
2
unhumorous
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APASmart Define. (2015). sobersided thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sobersided/thesaurus/synonyms
ChicagoSmart Define. 2015. "sobersided thesaurus" https://smartdefine.org/sobersided/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, sobersided thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sobersided/thesaurus/synonyms>.
MLASmart Define. "sobersided thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/sobersided/thesaurus/synonyms>