91 entries under tough topic. ×

1
discourteous(adjective, hard, severe, sharp)
1
drastic(adjective, hard, severe, rough)
1
dyed-in-the-wool(adjective, strong, hard, severe)
1
feelingless(adjective, hard, severe, cold)
1
firm(adjective, strong, hard, severe)
1
frowning(adjective, strong, hard, severe)
1
hard-core(adjective, strong, hard, severe)
1
hard-line(adjective, strong, hard, severe)
1
hard-shell(adjective, strong, hard, severe)
1
hard as nails(expression, adjective, idiom, strong, hard)
1
hardened(adjective, hard, severe, careless)
1
hardheaded(adjective, strong, hard, severe)
1
immovable(adjective, strong, hard, sturdy)
1
impenitent(adjective, hard, harsh, careless)
1
insensible(adjective, strong, hard, severe)
1
intolerant(adjective, hard, harsh, cold)
1
iron-hearted(adjective, hard, severe, cold)
1
mortified(adjective, strong, hard, severe)
1
sensationless(adjective, hard, severe, cold)
1
senseless(adjective, hard, severe, cold)
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APASmart Define. (2016). cruel thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/cruel/thesaurus/synonyms
ChicagoSmart Define. 2016. "cruel thesaurus" https://smartdefine.org/cruel/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, cruel thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/cruel/thesaurus/synonyms>.
MLASmart Define. "cruel thesaurus" 24 March 2016. Web. 1 October 2026. <https://smartdefine.org/cruel/thesaurus/synonyms>