1
bombproof
1
bony
1
bovine(adjective, determined, resolute, obstinate, uncompromising)
1
brass-bound(adjective, determined, resolute, obstinate, uncompromising)
1
brawny(adjective, strong, hard, sound, tough)
1
breachy
1
breakaway
1
brittle(adjective, hard, firm, solid, tense)
1
broad
1
buckram(adjective, hard, firm, solid, tense)
1
bull-headed(adjective, determined, resolute, obstinate, uncompromising)
1
bulletproof
1
burglarproof
1
callous(adjective, hard, unfeeling, unsympathetic, prepared)
1
cartilaginous
1
case-hardened(adjective, hard, unfeeling, unsympathetic, prepared)
1
cement
1
cemental
1
cemented(adjective, hard, firm, solid, tense)
1
chewy
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APASmart Define. (2015). resistant thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/resistant/thesaurus/synonyms
ChicagoSmart Define. 2015. "resistant thesaurus" https://smartdefine.org/resistant/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, resistant thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/resistant/thesaurus/synonyms>.
MLASmart Define. "resistant thesaurus" 19 August 2015. Web. 22 September 2026. <https://smartdefine.org/resistant/thesaurus/synonyms>