1
irreconcilable
1
lapideous
1
lithic
1
lithoid
1
lithoidal
1
loyal
1
malevolent(adjective, evil, nasty, harsh, vicious)
1
marble
1
marblelike
1
monstrous(adjective, evil, nasty, harsh, vicious)
1
mortified(adjective, strong, hard, tough, severe)
1
mulish(adjective, strong, hard, tough, severe)
1
obstinate
1
oppressive
1
osseous
1
pachydermatous
1
painful(adjective, evil, nasty, harsh, vicious)
1
pernicious(adjective, evil, nasty, harsh, vicious)
1
petrogenic
1
poignant(adjective, evil, nasty, harsh, vicious)
11 years ago|7.3k views|share |citing 
APASmart Define. (2015). flinty thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/flinty/thesaurus/synonyms
ChicagoSmart Define. 2015. "flinty thesaurus" https://smartdefine.org/flinty/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, flinty thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/flinty/thesaurus/synonyms>.
MLASmart Define. "flinty thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/flinty/thesaurus/synonyms>