90 entries under cruel topic. ×

3
pitiless(adjective, hard, severe, sharp, nasty)
2
brutal(adjective, hard, tough, severe, sharp)
2
cold fish(expression, adjective, calm, mean, hard)
2
hostile(adjective, person, tough, harsh, feelings)
2
savage(adjective, hard, severe, rough, harsh)
2
soulless(adjective, hard, careless, indifferent)
2
steely(adjective, strong, hard, tough, severe)
2
stony-hearted(adjective, cold, unfeeling, unsympathetic)
2
stubborn(adjective, mean, strong, hard, tough)
2
toughened(noun, adjective, hard, careless, indifferent)
1
austere(adjective, strong, hard, tough, severe)
1
bitter(adjective, strong, hard, tough, severe)
1
blind to(expression, adjective, hard, careless, indifferent)
1
careless(adjective, hard, indifferent, apathetic)
1
deaf to(expression, adjective, hard, careless, indifferent)
1
dour(adjective, hard, tough, severe, sharp)
1
grim(adjective, strong, hard, tough, severe)
1
hard as nails(expression, adjective, idiom, hard, tough)
1
impassive(adjective, calm, hard, tough, careless)
1
impenitent(adjective, hard, careless, indifferent)
10 years ago|10k views|share |citing 
APASmart Define. (2016). hard-boiled thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/hard-boiled/thesaurus/synonyms
ChicagoSmart Define. 2016. "hard-boiled thesaurus" https://smartdefine.org/hard-boiled/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, hard-boiled thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/hard-boiled/thesaurus/synonyms>.
MLASmart Define. "hard-boiled thesaurus" 23 March 2016. Web. 30 September 2026. <https://smartdefine.org/hard-boiled/thesaurus/synonyms>