190 entries under tough topic. ×

6
inclement(adjective, hard, severe, rough)
6
onerous(adjective, hard, severe, rough)
6
sinewy(adjective, strong, sound, fit)
6
steely(adjective, strong, hard, sturdy)
5
austere(adjective, strong, hard, severe)
5
fit(adjective, strong, healthy, well)
5
unyielding(adjective, strong, hard, sound)
4
adamantine(adjective, set, strong, hard)
4
dense(adjective, set, strong, hard)
4
grim(adjective, strong, hard, severe)
4
intemperate(adjective, hard, severe, rough)
4
potent(adjective, strong, sound, energetic)
4
red-blooded(adjective, strong, intense, energetic)
4
rigid(adjective, strong, hard, severe)
4
strict(adjective, strong, hard, severe)
4
troublesome(adjective, hard, evil, rough)
3
bothersome(adjective, rough, difficult, heavy)
3
dour(adjective, severe, harsh, cruel)
3
energetic(adjective, strong, sound, big)
3
flinty(adjective, strong, hard, harsh)
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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>