57 entries under severe topic. ×

9
serious(adjective, calm, dull, work, open)
6
grave(adjective, calm, dull, quiet, cool)
6
staid(adjective, calm, dull, quiet, set)
5
earnest(adjective, calm, dull, quiet, work)
5
sedate(adjective, calm, dull, quiet, cool)
5
sober(adjective, calm, dull, quiet, cool)
5
solemn(adjective, calm, dull, quiet, cool)
5
somber(adjective, calm, dull, quiet, cool)
5
weighty(adjective, dull, honest, dark)
4
straight(adjective, open, tough, firm)
3
stern(adjective, set, tough, firm)
2
hard(adjective, tough, reasonable, sharp)
2
hard-boiled(adjective, calm, simple, tough)
2
rigid(adjective, tough, firm, harsh)
2
sincere(adjective, set, open, direct)
2
square(adjective, open, tough, firm)
2
tough(adjective, sharp, firm, harsh)
1
austere(adjective, set, tough, firm)
1
authoritarian(adjective, tough, firm, harsh)
1
close(adjective, thoughtful, sober, serious)
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APASmart Define. (2015). no-nonsense thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/no-nonsense/thesaurus/synonyms
ChicagoSmart Define. 2015. "no-nonsense thesaurus" https://smartdefine.org/no-nonsense/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, no-nonsense thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/no-nonsense/thesaurus/synonyms>.
MLASmart Define. "no-nonsense thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/no-nonsense/thesaurus/synonyms>