124 entries under strict topic. ×

29
painful(adjective, evil, rough, nasty, difficult)
29
taxing(adjective, tough, severe, rough, difficult)
28
stern(adjective, person, mean, tough, easy)
28
unsympathetic(adjective, person, mean, cool, tough)
26
grinding(adjective, difficult, harsh, pain, cruel)
25
adamant(adjective, mean, strong, tough, rough)
25
obdurate(adjective, mean, strong, cool, tough)
25
unfeeling(adjective, person, mean, cool, tough)
25
cold(adjective, person, mean, clear, cool)
25
grave(adjective, tough, severe, difficult, harsh)
25
hard-nosed(adjective, mean, strong, tough, severe)
25
serious(adjective, strong, tough, easy, severe)
24
hefty(adjective, person, dull, body, strong)
23
adamantine(adjective, characteristic, strong, strength, tough)
23
brutal(adjective, person, mean, tough, severe)
22
demanding(adjective, dull, tough, easy, severe)
21
austere(adjective, strong, tough, severe, rough)
21
grim(adjective, person, mean, strong, tough)
19
flinty(adjective, strong, tough, severe, evil)
19
onerous(adjective, dull, great, tough, severe)
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APASmart Define. (2016). hard thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/hard/thesaurus/synonyms
ChicagoSmart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, hard thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>.
MLASmart Define. "hard thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms>