198 entries under severe topic. ×

1
frosty
1
fundamental
1
grievous(adjective, hard, tough, difficult)
1
hard-boiled(adjective, hard, tough, sharp)
1
hard-shell(adjective, bleak, severity, stark)
1
hostile(adjective, tough, harsh, cruel)
1
icy
1
imperial
1
intemperate(adjective, hard, tough, rough)
1
intense
1
intolerable(adjective, tough, harsh, cruel)
1
intolerant
1
iron-fisted(adjective, tough, firm, harsh)
1
lean
1
perverse(adjective, tough, harsh, cruel)
1
pitiless(adjective, hard, harsh, cruel)
1
potent(adjective, good, strong, sound, right)
1
punctilious(adjective, hard, tough, rough)
1
raw
1
resentful(adjective, tough, harsh, cruel)
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APASmart Define. (2015). stringent thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/stringent/thesaurus/synonyms
ChicagoSmart Define. 2015. "stringent thesaurus" https://smartdefine.org/stringent/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, stringent thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/stringent/thesaurus/synonyms>.
MLASmart Define. "stringent thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/stringent/thesaurus/synonyms>