93 entries under hardened topic. ×

1
indifferent(adjective, hard, careless, cruel, apathetic)
1
inflexible(adjective, hard, careless, indifferent, cruel)
1
insensible(adjective, hard, careless, indifferent, cruel)
1
insentient(adjective, hard, careless, indifferent, cruel)
1
irreverent(adjective, hard, unfeeling, unsympathetic)
1
obdurate(adjective, hard, careless, indifferent, cruel)
1
obtuse(noun, adjective, hard, unfeeling, unsympathetic)
1
prepared(adjective, hard, unfeeling, unsympathetic, experienced)
1
soulless(adjective, hard, careless, indifferent, cruel)
1
spiritless(adjective, hard, careless, indifferent, cruel)
1
stiff(adjective, hard, careless, indifferent, cruel)
1
stony(adjective, hard, careless, indifferent, cruel)
1
torpid(adjective, hard, careless, indifferent, cruel)
1
unaffected(adjective, hard, careless, indifferent, cruel)
1
unashamed(adjective, hard, unfeeling, unsympathetic)
1
unbending(adjective, hard, careless, indifferent, cruel)
1
uncompassionate(adjective, hard, careless, indifferent, cruel)
1
unconcerned(adjective, hard, careless, indifferent, cruel)
1
unemotional(adjective, hard, unfeeling, unsympathetic)
1
unimpressionable(adjective, hard, careless, indifferent, cruel)
11 years ago|9.8k views|share |citing 
APASmart Define. (2015). toughened thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/toughened/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughened thesaurus" https://smartdefine.org/toughened/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, toughened thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/toughened/thesaurus/synonyms>.
MLASmart Define. "toughened thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/toughened/thesaurus/synonyms>