65 entries under severe topic. ×
| astringent | |
| authoritarian | |
| blunt | |
| brusque | |
| cool(adjective, strong, simple, tough) | |
| crisp | |
| curt | |
| exacting | |
| fundamental | |
| inflexible | |
| intolerant | |
| lean | |
| puritanical | |
| unbending | |
| uncompromising | |
| abrupt | |
| acerbic | |
| acrimonious | |
| acute | |
| brisk |
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| APA | Smart Define. (2016). spartan thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/spartan/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "spartan thesaurus" https://smartdefine.org/spartan/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, spartan thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/spartan/thesaurus/synonyms>. |
| MLA | Smart Define. "spartan thesaurus" 1 April 2016. Web. 28 September 2026. <https://smartdefine.org/spartan/thesaurus/synonyms> |