198 entries under severe topic. ×

4
inclement(adjective, hard, tough, rough)
4
inexorable(adjective, harsh, cruel, determined)
4
keen
4
meticulous
4
tart
3
acrid(adjective, strong, sharp, powerful)
3
compelling(adjective, good, strong, sound, reasonable)
3
critical
3
extreme(adjective, harsh, cruel, brutal)
3
hidebound(adjective, obstinate, stubborn, unbending)
3
nasty(adjective, hard, sharp, bleak)
3
rugged(adjective, hard, tough, rough)
3
stark(adjective, bleak, austere, inhospitable)
3
strait-laced(adjective, tough, firm, harsh)
2
abrupt
2
acute
2
bitter(adjective, strong, hard, tough)
2
brisk(adjective, drastic)
2
brutal(adjective, hard, tough, sharp)
2
censorious
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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>