109 entries under hard topic. ×

1
bullheaded(adjective, strong, tough, severe)
1
drastic(adjective, severe, rough, harsh)
1
ferocious(adjective, rough, harsh, cruel)
1
fierce(adjective, rough, harsh, cruel)
1
hang-tough(adjective, strong, tough, harsh)
1
hardheaded(adjective, strong, tough, severe)
1
headstrong(adjective, tough, severe, rough)
1
heavy(adjective, strong, tough, severe)
1
intemperate(adjective, tough, severe, rough)
1
trying(adjective, tough, difficult, harsh)
1
unswayable(tough, fixed, rigid, reserved)
0
dyed-in-the-wool(adjective, close, set, strong)
0
clamorous(adjective, tough, difficult, urgent)
0
exhausting(adjective, tough, difficult, urgent)
0
ferric(adjective, strong, tough, sturdy)
0
ferrous(adjective, strong, tough, sturdy)
0
frowning(adjective, strong, tough, severe)
0
insensible(adjective, strong, tough, sturdy)
0
laborious(adjective, severe, rough, difficult)
0
mortified(adjective, strong, tough, severe)
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APASmart Define. (2015). strict thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/strict/thesaurus/synonyms
ChicagoSmart Define. 2015. "strict thesaurus" https://smartdefine.org/strict/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, strict thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/strict/thesaurus/synonyms>.
MLASmart Define. "strict thesaurus" 3 August 2015. Web. 24 September 2026. <https://smartdefine.org/strict/thesaurus/synonyms>