0
cruel
0
deaf to
0
demoniac
0
detached
0
disimpassioned
0
disinterested
0
dispassionate
0
dog eat dog(expression, idiom)
0
doublespeak
0
draggy
0
durability
0
durableness
0
emotionless
0
feelingless
0
feller
0
going through motions(expression, idiom)
0
going with the flow(expression, idiom)
0
hard-as-nails
0
hard-hearted
0
hardboiled
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APASmart Define. (2015). hard as nails thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hard_as_nails/thesaurus/related
ChicagoSmart Define. 2015. "hard as nails thesaurus" https://smartdefine.org/hard_as_nails/thesaurus/related (accessed September 29, 2026).
HarvardSmart Define 2015, hard as nails thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hard_as_nails/thesaurus/related>.
MLASmart Define. "hard as nails thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/hard_as_nails/thesaurus/related>