77 entries under cruel topic. ×

14
heavy(adjective, dull, hard, tough, severe)
11
distressing(adjective, severe, rough, harsh, tender)
11
rigorous(adjective, hard, severe, rough, harsh)
11
unpleasant(adjective, hard, severe, evil, rough)
9
stiff(adjective, hard, tough, severe, rough)
7
effortful(adjective, hard, great, tough, rough)
7
cantankerous(adjective, hard, tough, evil, rough)
7
dangerous(noun, adjective, hard, tough, severe)
7
harsh(adjective, hard, tough, severe, rough)
6
grim(adjective, tough, severe, harsh, unhappy)
5
disagreeable(adjective, hard, evil, rough, nasty)
5
sharp(adjective, rough, harsh, tender)
4
rigid(adjective, hard, tough, severe, rough)
4
vexatious(adjective, dull, hard, severe, evil)
3
mean(adjective, hard, tough, severe, rough)
3
rude(adjective, hard, tough, rough, nasty)
3
stern(adjective, hard, severe, rough, harsh)
3
strict(adjective, hard, tough, severe, rough)
3
treacherous(adjective, hard, severe, evil, rough)
2
bad-tempered(adjective, hard, evil, rough, nasty)
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APASmart Define. (2016). difficult thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/difficult/thesaurus/synonyms
ChicagoSmart Define. 2016. "difficult thesaurus" https://smartdefine.org/difficult/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, difficult thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/difficult/thesaurus/synonyms>.
MLASmart Define. "difficult thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/difficult/thesaurus/synonyms>