Synonyms|733Antonyms|207|Broader|5Narrower|0Related|193

363 entries under adjective topic. ×

8
uncompromising(hard, severe, rough, difficult)
7
stiff(hard, severe, rough, difficult)
7
caustic(severe, physical energy)
7
convincing(verb, good, strong, sound)
7
grim(tough, severe, firm, harsh)
7
precise(severe, exact, accurate)
7
relentless(set, hard, severe, sharp)
6
Spartan
6
exigent(difficult, severity, taxing)
6
forcible(strong, energetic, violent, powerful)
6
peremptory(affected, duty, severity, compulsion)
5
astringent(severe, harsh, cruel, serious)
5
authoritarian(tough, severe, firm, harsh)
5
bleak(tough, severe, harsh, cruel)
5
correct(severe, exact, strict, scrupulous)
5
drastic(severe, harsh, cruel, brutal)
5
effective(strong, energetic, violent, powerful)
5
mordant
5
obdurate(tough, severe, harsh, cruel)
5
oppressive(hard, tough, severe, rough)
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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>