85 entries under stern topic. ×

5
unfeeling(adjective, tough, severe, harsh, cruel)
5
unrelenting(adjective, strong, hard, tough, severe)
4
acrimonious(adjective, tough, severe, harsh, cruel)
4
confining(adjective, severe, harsh, stiff, rigid)
4
difficult(adjective, hard, tough, severe, rough)
4
forbidding(adjective, strong, hard, tough, severe)
4
rugged(adjective, strong, hard, tough, severe)
4
unpermissive(adjective, hard, severe, rough, firm)
3
bleak(adjective, tough, severe, harsh, cruel)
3
cold(adjective, tough, severe, harsh, cruel)
3
hard-nosed(adjective, strong, hard, tough, severe)
3
rough(adjective, strong, hard, tough, severe)
3
serious(adjective, strong, hard, tough, severe)
2
brutal(adjective, hard, tough, severe, rough)
2
inclement(adjective, hard, tough, severe, rough)
2
by the book(expression, adjective, idiom, strong, hard)
2
disciplinary(adjective, strong, hard, tough, severe)
2
flinty(adjective, strong, hard, tough, severe)
2
implacable(adjective, set, strong, hard, tough)
2
iron-fisted(adjective, severe, firm, harsh, stiff)
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APASmart Define. (2015). strict thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/strict/thesaurus/synonyms
ChicagoSmart Define. 2015. "strict thesaurus" https://smartdefine.org/strict/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, strict thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/strict/thesaurus/synonyms>.
MLASmart Define. "strict thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/strict/thesaurus/synonyms>