38 entries under stern topic. ×

4
brutal(adjective, evil, nasty, harsh, cruel)
4
rigorous(adjective, strong, hard, tough, severe)
4
unrelenting(adjective, close, strong, hard, tough)
3
inexorable(adjective, close, strong, hard, tough)
3
rugged(adjective, strong, hard, tough, harsh)
2
austere(adjective, strong, hard, tough, severe)
2
forbidding(adjective, close, strong, hard, tough)
2
implacable(adjective, strong, hard, tough, severe)
2
strict(adjective, strong, hard, tough, severe)
2
tyrannical(adjective, evil, nasty, harsh, cruel)
2
unsparing(adjective, close, strong, hard, tough)
1
astringent(adjective, close, strong, hard, tough)
1
bitter(adjective, strong, hard, tough, evil)
1
fierce(adjective, evil, nasty, harsh, cruel)
1
hard-nosed(adjective, close, strong, hard, tough)
1
serious(adjective, close, strong, hard, tough)
1
wicked(adjective, evil, nasty, harsh, cruel)
0
heavy(adjective, strong, hard, tough, severe)
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APASmart Define. (2015). flinty thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/flinty/thesaurus/synonyms
ChicagoSmart Define. 2015. "flinty thesaurus" https://smartdefine.org/flinty/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, flinty thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/flinty/thesaurus/synonyms>.
MLASmart Define. "flinty thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/flinty/thesaurus/synonyms>