197 entries under hard topic. ×

1
prepared(adjective, wise, unfeeling, unsympathetic)
1
refractory(adjective, tough, firm, solid)
1
rheumatic(adjective, firm, solid, stiff)
1
rigorous(adjective, tough, harsh, cruel)
1
savage(adjective, tough, harsh, cold)
1
sensationless(adjective, tough, severe, cruel)
1
senseless(adjective, tough, severe, cruel)
1
soulless(adjective, careless, indifferent, cruel)
1
sour(adjective, tough, harsh, cruel)
1
spiritless(adjective, cool, careless, indifferent)
1
starched(verb, adjective, firm, solid)
1
starchy(adjective, firm, solid, stiff)
1
stark(adjective, firm, solid, stiff)
1
stiff as a board(expression, adjective, idiom, firm)
1
strong(adjective, set, sound, tough)
1
sturdy(strong, tough, fit, solid)
1
substantial(strong, fit, solid, healthy)
1
surly(adjective, tough, severe, cruel)
1
tactless(adjective, indifferent, unsympathetic, unkind)
1
tense(adjective, firm, solid, stiff)
10 years ago|17k views|share |citing 
APASmart Define. (2016). hardened thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/hardened/thesaurus/synonyms
ChicagoSmart Define. 2016. "hardened thesaurus" https://smartdefine.org/hardened/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, hardened thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/hardened/thesaurus/synonyms>.
MLASmart Define. "hardened thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/hardened/thesaurus/synonyms>