110 entries under bleak topic. ×

14
ruthless(adjective, strong, hard, severe, rough)
14
strict(adjective, strong, hard, easy, severe)
11
brutal(adjective, good, bad, hard, cool)
11
cold(adjective, good, mean, bad, hard)
11
relentless(adjective, mean, strong, hard, severe)
11
rigorous(adjective, strong, hard, severe, rough)
10
unrelenting(adjective, mean, strong, hard, severe)
9
stringent(adjective, hard, severe, firm, difficult)
8
austere(adjective, strong, hard, severe, sharp)
8
mean(noun, adjective, clear, hard, cool)
8
pitiless(adjective, hard, severe, sharp, harsh)
8
thick-skinned(noun, adjective, mean, hard, severe)
8
unsparing(adjective, strong, hard, severe, rough)
8
wicked(adjective, clear, bad, strong, cool)
6
cold-blooded(adjective, calm, mean, hard, cool)
6
grim(adjective, strong, hard, severe, firm)
5
hairy(adjective, hard, severe, sharp, rough)
5
unkind(adjective, mean, hard, cool, severe)
4
distressing(adjective, severe, rough, nasty, harsh)
4
hard as nails(expression, adjective, idiom, strong, hard)
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APASmart Define. (2016). tough thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tough/thesaurus/synonyms
ChicagoSmart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, tough thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>.
MLASmart Define. "tough thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms>