67 entries under toughened topic. ×
| unfeeling(adjective, hard, unsympathetic, hardened, unyielding) | |
| unrepenting(adjective, hard, unfeeling, unsympathetic, prepared) | |
| apathetic(adjective, hard, unfeeling, unsympathetic, hardened) | |
| blind to(expression, adjective, hard, unfeeling, unsympathetic) | |
| careless(adjective, hard, unfeeling, unsympathetic, hardened) | |
| casehardened(hard, unfeeling, unsympathetic, hardened) | |
| cold(adjective, hard, unfeeling, unsympathetic, hardened) | |
| cold-blooded(adjective, hard, unfeeling, unsympathetic, hardened) | |
| cynical(adjective, hard, unfeeling, unsympathetic, hardened) | |
| deaf to(expression, adjective, hard, unfeeling, unsympathetic) | |
| hard-edged(adjective, cynical, hard-boiled, hard-bitten) | |
| impassive(adjective, hard, unfeeling, unsympathetic, hardened) | |
| impenitent(adjective, hard, unfeeling, unsympathetic, hardened) | |
| indifferent(adjective, hard, unfeeling, unsympathetic, hardened) | |
| insensate(adjective, hard, unfeeling, unsympathetic, hardened) | |
| insensible(adjective, hard, unfeeling, unsympathetic, hardened) | |
| insensitive(adjective, hard, unfeeling, unsympathetic, hardened) | |
| insentient(adjective, hard, unfeeling, unsympathetic, hardened) | |
| soulless(adjective, hard, unfeeling, unsympathetic, hardened) | |
| spiritless(adjective, hard, unfeeling, unsympathetic, hardened) |
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| APA | Smart Define. (2015). resistant thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/resistant/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "resistant thesaurus" https://smartdefine.org/resistant/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, resistant thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/resistant/thesaurus/synonyms>. |
| MLA | Smart Define. "resistant thesaurus" 19 August 2015. Web. 29 September 2026. <https://smartdefine.org/resistant/thesaurus/synonyms> |