102 entries under adjective topic. ×

2
bad
2
hard-boiled(noun, hard, careless, indifferent)
2
insensate(noun, hard, careless, indifferent)
2
insensitive(noun, hard, careless, indifferent)
2
resistant(strong, hard, unfeeling, unsympathetic)
2
sturdy
2
trained(experienced, hardened, veteran)
2
unbreakable(strong, tough)
2
unfeeling(noun, hard, careless, indifferent)
2
unsentimental(cynical, hard-boiled, hard-bitten)
1
acclimated
1
accustomed(hard, unfeeling, unsympathetic, hardened)
1
apathetic(hard, careless, indifferent, cruel)
1
benumbed(hard, unfeeling, unsympathetic, hardened)
1
blind to(expression, hard, careless, indifferent)
1
careless(hard, indifferent, cruel, apathetic)
1
cold(hard, careless, indifferent, cruel)
1
cold-blooded(hard, careless, indifferent, cruel)
1
coldhearted(hard, unfeeling, unsympathetic, hardened)
1
contemptuous(hard, unfeeling, unsympathetic, hardened)
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APASmart Define. (2015). toughened thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/toughened/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughened thesaurus" https://smartdefine.org/toughened/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, toughened thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/toughened/thesaurus/synonyms>.
MLASmart Define. "toughened thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/toughened/thesaurus/synonyms>