102 entries under adjective topic. ×

16
hardened(noun, verb, set, hard)
12
tempered(verb, strengthened)
8
tough(noun, strong, hard, careless)
7
treated
6
callous(noun, hard, cruel, unfeeling)
6
inured(noun, hard, careless, indifferent)
6
rugged(strong, permanent, indestructible)
5
calloused
5
experienced(hardened, veteran)
5
fortified(verb, strengthened)
5
indurated(verb, hard, careless, indifferent)
5
seasoned(hard, unfeeling, unsympathetic, experienced)
4
case-hardened(noun, hard, careless, indifferent)
4
hard(strong, careless, indifferent, cruel)
4
steeled(noun, verb, set, hard)
4
thick-skinned(noun, hard, careless, indifferent)
3
experient
3
invigorated(verb, strengthened)
3
roughened
3
strong
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APASmart Define. (2015). toughened thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/toughened/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughened thesaurus" https://smartdefine.org/toughened/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, toughened thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/toughened/thesaurus/synonyms>.
MLASmart Define. "toughened thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/toughened/thesaurus/synonyms>