180 entries under tough topic. ×

2
steely(adjective, strong, hard, severe)
2
stiff-necked(adjective, mean, strong, hard)
1
avaricious(adjective, hard, cruel, grim)
1
bloody(adjective, hard, violent, cruel)
1
bullhead(adjective, mean, hard, inflexible)
1
bullheaded(adjective, strong, hard, severe)
1
by the book(expression, adjective, idiom, strong, hard)
1
cold fish(expression, adjective, mean, hard)
1
dead set(expression, severe, firm, stiff)
1
disciplinary(adjective, strong, hard, severe)
1
dyed-in-the-wool(adjective, strong, hard, severe)
1
gloomy(adjective, low, sad, cruel)
1
glum(severe, low, gloomy, awkward)
1
hang-tough(adjective, strong, hard, severe)
1
hard-line(adjective, strong, hard, severe)
1
ill-humored(low, gloomy, miserable, awkward)
1
impenitent(adjective, hard, cruel, grim)
1
indurate(adjective, mean, hard, inflexible)
1
iron(noun, adjective, mean, hard)
1
mulish(adjective, mean, strong, hard)
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APASmart Define. (2016). harsh thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/harsh/thesaurus/synonyms
ChicagoSmart Define. 2016. "harsh thesaurus" https://smartdefine.org/harsh/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, harsh thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/harsh/thesaurus/synonyms>.
MLASmart Define. "harsh thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/harsh/thesaurus/synonyms>