85 entries under stern topic. ×

2
ironclad(adjective, set, hard, severe, harsh)
2
valid(adjective, open, sound, correct, right)
1
bitter(adjective, strong, hard, tough, severe)
1
arduous(adjective, hard, tough, severe, rough)
1
binding(adjective, set, severe, harsh, stiff)
1
brick-wall(adjective, severe, stiff, rigid, tight)
1
by the numbers(expression, adjective, idiom, severe, harsh)
1
compelling(adjective, severe, harsh, stiff, rigid)
1
dead set on(expression, adjective, idiom, strong, severe)
1
drastic(adjective, hard, severe, rough, harsh)
1
fierce(adjective, hard, rough, harsh, cruel)
1
forceful(adjective, severe, stiff, tight)
1
heavy(adjective, strong, hard, tough, severe)
1
intemperate(adjective, hard, tough, severe, rough)
1
powerful(adjective, severe, harsh, stiff, rigid)
1
stickling(adjective, severe, firm, careful)
1
unpleasant(adjective, tough, severe, harsh, cruel)
0
dyed-in-the-wool(adjective, close, set, strong, hard)
0
convincing(adjective, severe, harsh, stiff, rigid)
0
distressing(adjective, tough, severe, harsh, cruel)
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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>