344 entries under hard topic. ×

16
heavy(adjective, strong, tough, difficult)
16
obdurate(adjective, mean, strong, tough)
16
stiff(adjective, tough, rough, firm)
15
dangerous(adjective, help, bad, tough)
15
inhuman(adjective, person, mean, tough)
15
onerous(adjective, tough, rough, difficult)
15
ruthless(adjective, appearance, mean, tough)
15
unpleasant(adjective, tough, difficult, harsh)
15
unsympathetic(adjective, person, mean, tough)
14
inexorable(adjective, appearance, mean, strong)
14
merciless(adjective, appearance, mean, tough)
14
strong(adjective, tough, intense, violent)
13
drastic(adjective, tough, rough, difficult)
13
forbidding(adjective, appearance, strong, tough)
13
inclement(adjective, cool, tough, keen)
13
raw(adjective, cool, keen, sharp)
13
unadorned(adjective, characteristic, simple, harsh)
13
unsparing(adjective, person, mean, strong)
12
bleak(adjective, appearance, cool, tough)
12
firm(noun, adjective, clear, strong)
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APASmart Define. (2016). severe thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/severe/thesaurus/synonyms
ChicagoSmart Define. 2016. "severe thesaurus" https://smartdefine.org/severe/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, severe thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/severe/thesaurus/synonyms>.
MLASmart Define. "severe thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/severe/thesaurus/synonyms>