67 entries under toughened topic. ×

1
impious(adjective, hard, unfeeling, unsympathetic, hardened)
1
inaccessible(adjective, hard, unfeeling, unsympathetic, hardened)
1
indurated(adjective, hard, careless, indifferent, cruel)
1
insensate(adjective, hard, tough, severe, careless)
1
insensible(adjective, hard, tough, severe, careless)
1
insentient(adjective, hard, careless, indifferent, cruel)
1
inured(adjective, hard, careless, indifferent, cruel)
1
irreverent(adjective, hard, unfeeling, unsympathetic, hardened)
1
obtuse(adjective, hard, unfeeling, unsympathetic, hardened)
1
prepared(adjective, hard, unfeeling, unsympathetic, hardened)
1
resistant(adjective, hard, unfeeling, unsympathetic, hardened)
1
seasoned(adjective, hard, unfeeling, unsympathetic, hardened)
1
soulless(adjective, hard, careless, indifferent, cruel)
1
spiritless(adjective, hard, careless, indifferent, cruel)
1
steeled(adjective, hard, unfeeling, unsympathetic, hardened)
1
stiff(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, hardened)
1
unbending(adjective, mean, hard, careless, indifferent)
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APASmart Define. (2016). uncompassionate thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/uncompassionate/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncompassionate thesaurus" https://smartdefine.org/uncompassionate/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, uncompassionate thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/uncompassionate/thesaurus/synonyms>.
MLASmart Define. "uncompassionate thesaurus" 31 March 2016. Web. 1 October 2026. <https://smartdefine.org/uncompassionate/thesaurus/synonyms>