423 entries under adjective topic. ×

24
callous(noun, person, hard, cool)
17
hard(tough, severe, firm, attitude)
15
hard-boiled(noun, person, hard, attitude)
15
inured(noun, set, strong, hard)
15
toughened(noun, verb, set, hard)
15
unfeeling(noun, hard, cool, attitude)
14
obdurate(person, hard, tough, severe)
14
tempered(verb, strengthened)
14
tough(noun, strong, hard, severe)
13
insensitive(noun, hard, tough, severe)
13
set(verb, hard, tough, firm)
12
solidified(verb, set, hard, tough)
11
stony(person, hard, tough, severe)
11
uncompassionate(person, hard, tough, severe)
10
cold-blooded(person, hard, cool, tough)
10
shameless(hard, tough, harsh, rude)
9
stiff(hard, tough, firm, solid)
9
heartless(hard, cool, tough, severe)
9
inflexible(person, hard, tough, firm)
9
rigid(strong, hard, tough, firm)
<12345…10>
10 years ago|17k views|share |citing 
APASmart Define. (2016). hardened thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/hardened/thesaurus/synonyms
ChicagoSmart Define. 2016. "hardened thesaurus" https://smartdefine.org/hardened/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, hardened thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/hardened/thesaurus/synonyms>.
MLASmart Define. "hardened thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/hardened/thesaurus/synonyms>