80 entries under severe topic. ×

50
fundamental(noun, adjective, characteristic, drop, part)
49
essential(noun, adjective, characteristic, drop, part)
23
simple(adjective, clear, hard, light, smooth)
10
bare(adjective, hard, simple, plain)
10
unadorned(adjective, hard, simple, plain)
9
critical(adjective, important, original, essential)
9
stark(adjective, direct, simple, plain)
7
austere(adjective, hard, simple, plain)
6
severe(adjective, hard, simple, pure)
6
unembellished(adjective, hard, simple, plain)
5
literal(adjective, hard, cold, austere)
5
mere(adjective, clear, hard, light, smooth)
5
raw(adjective, hard, simple, rough)
4
Spartan(adjective, hard, simple, plain)
4
chaste(adjective, hard, pure, cold)
4
spare(adjective, hard, simple, cold)
3
blunt(adjective, hard, cold, austere)
3
short(adjective, essence, crux)
2
crisp
2
dry(adjective, simple, pure, unadorned)
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APASmart Define. (2015). basic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/basic/thesaurus/synonyms
ChicagoSmart Define. 2015. "basic thesaurus" https://smartdefine.org/basic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, basic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/basic/thesaurus/synonyms>.
MLASmart Define. "basic thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/basic/thesaurus/synonyms>