95 entries under cruel topic. ×

7
formidable(adjective, hard, severe, evil, rough)
7
heavy(adjective, calm, strong, hard, sound)
7
rigorous(adjective, strong, hard, tough, severe)
6
exacting(adjective, hard, tough, severe, rough)
6
inclement(adjective, hard, tough, severe, rough)
6
mean(adjective, strong, severe, rough, nasty)
6
ugly(adjective, calm, hard, evil, rough)
5
austere(adjective, strong, hard, tough, severe)
4
grim(adjective, strong, hard, tough, severe)
4
intemperate(adjective, hard, tough, severe, rough)
4
rigid(adjective, strong, hard, tough, severe)
4
strict(adjective, strong, hard, tough, severe)
4
troublesome(adjective, hard, tough, evil, rough)
3
cantankerous(adjective, hard, evil, rough, nasty)
3
dirty(adjective, calm, hard, rough, nasty)
3
dour(adjective, tough, severe, harsh)
3
flinty(adjective, strong, hard, tough, harsh)
3
forbidding(adjective, strong, hard, tough, harsh)
3
sharp(adjective, hard, severe, rough, harsh)
2
astringent(adjective, strong, hard, tough, severe)
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APASmart Define. (2015). rugged thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/rugged/thesaurus/synonyms
ChicagoSmart Define. 2015. "rugged thesaurus" https://smartdefine.org/rugged/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, rugged thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/rugged/thesaurus/synonyms>.
MLASmart Define. "rugged thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/rugged/thesaurus/synonyms>