Synonyms|369Antonyms|90|Broader|0Narrower|0Related|365
2
cold(rocky, pebbly)
2
concrete
2
cool
2
determined
2
forbidding(adjective, close, strong, hard, tough)
2
frigid(rocky, pebbly)
2
hard-core(adjective, strong, hard, tough, severe)
2
hard as nails(expression, adjective, idiom, strong, hard)
2
horny
2
hostile(rocky, pebbly)
2
impervious
2
implacable(adjective, strong, hard, tough, severe)
2
indifferent(rocky, pebbly)
2
leathery(adjective, strong, hard, solid, stiff)
2
pebbly(rocky, stony, rock-strewn)
2
petrified
2
remorseless
2
resistant(adjective, strong, hard, solid, stiff)
2
resolute
2
savage
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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>