228 entries under severe topic. ×

7
grave
7
inexorable(adjective, appearance, mean, strong, hard)
7
prudish(adjective, quiet, simple, tough)
7
solemn(adjective, quiet, serious, grave)
7
strait-laced(adjective, tough, firm, harsh)
6
authoritarian(adjective, strong, hard, tough)
6
cool(adjective, simple, plain, cold)
6
demanding
6
dry(adjective, simple, pure, basic)
6
fundamental(adjective, pure)
6
mean(adjective, hard, evil, sharp)
6
unyielding(adjective, appearance, strong, hard, tough)
5
disciplined
5
lean
5
oppressive(adjective, dull, hard, tough)
5
relentless(adjective, appearance, mean, strong, hard)
5
unbending(adjective, strong, hard, tough)
4
meager(adjective, hard, cold, frugal)
4
acerbic(adjective, mean, sharp, nasty)
4
acrimonious(adjective, mean, tough, evil)
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APASmart Define. (2016). austere thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/austere/thesaurus/synonyms
ChicagoSmart Define. 2016. "austere thesaurus" https://smartdefine.org/austere/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, austere thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/austere/thesaurus/synonyms>.
MLASmart Define. "austere thesaurus" 22 January 2016. Web. 27 September 2026. <https://smartdefine.org/austere/thesaurus/synonyms>