38 entries under adjective topic. ×

4
enured
4
gargantuan(noun, verb, adverb)
4
hard-bitten
4
inured
4
sinewy
4
stringy
3
callous
3
calloused
3
cartilaginous
3
fibrous
3
gristly
3
hard-boiled
3
hardened
3
hempen
3
leathered
3
leatherlike
3
leathery
3
pugnacious
3
rubbery
3
self-absorbed(brutal, atrocious, barbaric, barbarous)
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APASmart Define. (2016). tough thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tough/thesaurus/related
ChicagoSmart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/related (accessed September 28, 2026).
HarvardSmart Define 2016, tough thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tough/thesaurus/related>.
MLASmart Define. "tough thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/tough/thesaurus/related>