Synonyms|369Antonyms|90|Broader|0Narrower|0Related|365
2
set
2
silica
2
staunch
2
steady
2
steeled(adjective, strong, hard, solid, stiff)
2
stone
2
stony-hearted
2
strict(adjective, strong, hard, tough, severe)
2
strong(adjective, hard, tough, solid, stiff)
2
sturdy(adjective, strong, hard, tough, solid)
2
thick-skinned
2
tyrannical(adjective, evil, nasty, harsh, cruel)
2
uncompassionate(rocky, pebbly)
2
unmerciful
2
unmoved
2
unpitying
2
unsparing(adjective, close, strong, hard, tough)
2
vicious(adjective, evil, nasty, harsh, wicked)
1
aloof
1
astringent(adjective, close, strong, hard, tough)
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APASmart Define. (2015). flinty thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/flinty/thesaurus/synonyms
ChicagoSmart Define. 2015. "flinty thesaurus" https://smartdefine.org/flinty/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, flinty thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/flinty/thesaurus/synonyms>.
MLASmart Define. "flinty thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/flinty/thesaurus/synonyms>