197 entries under hard topic. ×

4
raucous(adjective, severe, sharp, flat)
4
rigid(adjective, strong, tough, severe)
4
strict(adjective, strong, tough, severe)
4
troublesome(adjective, tough, evil, rough)
4
unlevel(adjective, severe, sharp, rough)
4
wrinkled(verb, adjective, rough, harsh)
3
cantankerous(adjective, evil, rough, nasty)
3
dirty(adjective, calm, rough, nasty)
3
flinty(adjective, strong, tough, harsh)
3
forbidding(adjective, strong, tough, harsh)
3
hard-bitten(adjective, strong, continue)
3
leathery(adjective, bumpy, durable, weathered)
3
sharp(adjective, severe, rough, harsh)
2
adamant(adjective, strong, tough, sturdy)
2
astringent(adjective, strong, tough, severe)
2
authoritarian(adjective, strong, tough, sturdy)
2
bleak(adjective, tough, severe, sharp)
2
callous(adjective, set, strong, tough)
2
contemptible(adjective, mean, evil, rough)
2
frowning(adjective, strong, tough, sturdy)
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APASmart Define. (2015). rugged thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rugged/thesaurus/synonyms
ChicagoSmart Define. 2015. "rugged thesaurus" https://smartdefine.org/rugged/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, rugged thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rugged/thesaurus/synonyms>.
MLASmart Define. "rugged thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/rugged/thesaurus/synonyms>