185 entries under hard topic. ×

4
hard-hearted(adjective, mean, harsh, inflexible)
4
immutable(adjective, firm, rigid, inflexible)
4
tense(adjective, firm, solid, stiff)
4
unalterable(set, strong, severe, definite)
3
heartless(adjective, mean, careless, indifferent)
3
insensitive(adjective, careless, indifferent, cruel)
3
mean(adjective, clear, tough, severe)
3
serious(adjective, close, strong, tough)
3
tight(adjective, close, firm, solid)
3
unadaptable(adjective, rigid, inflexible, strict)
3
unsparing(adjective, close, strong, tough)
2
astringent(adjective, close, strong, tough)
2
authoritarian(adjective, strong, tough, severe)
2
brittle(adjective, firm, solid, rigid)
2
hard-and-fast(adjective, rigid, inflexible, strict)
2
hard-core(adjective, strong, tough, firm)
2
hard-line(adjective, strong, tough, rough)
2
impliable(adjective, firm, solid, stiff)
2
indifferent(adjective, cool, careless, cold)
2
indomitable(adjective, strong, tough, difficult)
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APASmart Define. (2016). unbending thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unbending/thesaurus/synonyms
ChicagoSmart Define. 2016. "unbending thesaurus" https://smartdefine.org/unbending/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unbending thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unbending/thesaurus/synonyms>.
MLASmart Define. "unbending thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unbending/thesaurus/synonyms>