110 entries under harsh topic. ×

5
drastic(adjective, severe, cruel, brutal)
5
obdurate(adjective, tough, severe, cruel)
5
oppressive(adjective, hard, tough, severe, rough)
5
sharp(adjective, strong, hard, severe, nasty)
5
unsparing(adjective, tough, severe, firm)
4
inclement(adjective, hard, tough, severe, rough)
4
inexorable(adjective, severe, cruel, determined)
4
violent(adjective, strong, energetic, powerful)
3
extreme(adjective, severe, cruel, brutal)
3
rugged(adjective, hard, tough, severe, rough)
3
strait-laced(adjective, tough, severe, firm)
3
unyielding(adjective, cruel, determined, fierce)
2
bitter(adjective, strong, hard, tough, severe)
2
brutal(adjective, hard, tough, severe, sharp)
2
fierce(adjective, cruel, determined, persistent)
2
firm(noun, adjective, set, hard, tough)
2
hard-nosed(adjective, hard, severe, sharp, nasty)
2
painful(adjective, tough, cruel, grim)
2
picky(adjective, tough, severe, firm)
2
prudish(adjective, tough, severe, firm)
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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>