259 entries under tough topic. ×

14
strong(adjective, hard, intense, violent)
13
drastic(adjective, hard, rough, difficult)
13
forbidding(adjective, appearance, strong, hard)
13
inclement(adjective, hard, cool, keen)
13
unsparing(adjective, person, mean, strong, hard)
12
bleak(adjective, appearance, hard, cool)
12
firm(noun, adjective, clear, strong, hard)
12
unkind(adjective, hard, harsh, cruel)
11
astringent(adjective, characteristic, strong, hard)
11
draconian(adjective, firm, harsh, rigid)
11
stony(adjective, mean, hard, harsh)
11
unrelenting(adjective, appearance, mean, strong, hard)
11
wicked(adjective, clear, hard, sharp)
10
acrimonious(adjective, mean, evil, sharp)
10
adamant(adjective, mean, strong, hard)
10
authoritarian(adjective, strong, hard, firm)
10
fastidious(adjective, problematic, trying, disapprobation)
10
troublesome(adjective, hard, difficult, tender)
9
formidable(adjective, appearance, great, difficult)
9
hard-hearted(adjective, calm, mean, hard)
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APASmart Define. (2016). severe thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/severe/thesaurus/synonyms
ChicagoSmart Define. 2016. "severe thesaurus" https://smartdefine.org/severe/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, severe thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/severe/thesaurus/synonyms>.
MLASmart Define. "severe thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/severe/thesaurus/synonyms>