544 entries under adjective topic. ×

8
frugal(moderate, plain, temperate, stingy)
8
rustic(simple, severe, clean, plain)
8
unrelenting(appearance, strong, hard, tough)
7
basic(hard, simple, severe, plain)
7
cold(mean, strong, hard, tough)
7
frigid(mean, hard, cool, harsh)
7
grave
7
inexorable(appearance, mean, strong, hard)
7
prudish(quiet, simple, tough, severe)
7
pure(quiet, simple, clean, plain)
7
solemn(quiet, severe, serious, grave)
7
strait-laced(tough, severe, firm, harsh)
6
authoritarian(strong, hard, tough, severe)
6
clean(quiet, simple, plain, pure)
6
cool(simple, severe, plain, cold)
6
demanding
6
dry(simple, severe, pure, basic)
6
fundamental(severe, pure)
6
mean(hard, severe, evil, sharp)
6
temperate
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APASmart Define. (2016). austere thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/austere/thesaurus/synonyms
ChicagoSmart Define. 2016. "austere thesaurus" https://smartdefine.org/austere/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, austere thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/austere/thesaurus/synonyms>.
MLASmart Define. "austere thesaurus" 22 January 2016. Web. 26 September 2026. <https://smartdefine.org/austere/thesaurus/synonyms>