Synonyms|512Antonyms|132|Broader|2Narrower|0Related|980

416 entries under adjective topic. ×

3
compassionless(hard, attitude, unfeeling, unsympathetic)
3
firm(mean, strong, hard, tough)
3
impervious(noun, calm, bad, cold)
3
implacable(mean, strong, hard, tough)
3
indurate(mean, bad, hard, cold)
3
insentient(bad, hard, careless, cold)
3
marble(bad, cold, detached, aloof)
3
matter-of-fact(hard, sound, reasonable, sensible)
3
nonchalant
3
obstinate(mean, hard, tough, rough)
3
passive
3
pitiless(hard, severe, sharp, nasty)
3
pugnacious
3
rational(calm, hard, sound, tough)
3
severe(calm, strong, hard, tough)
3
stoic(tough, rational, straightforward, sober)
3
stonyhearted
3
unidealistic(hard, sound, simple, tough)
2
adamantine(strong, hard, tough, sturdy)
2
blank(person, feelings, emotions, rocky)
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ChicagoSmart Define. 2016. "hard-boiled thesaurus" https://smartdefine.org/hard-boiled/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, hard-boiled thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hard-boiled/thesaurus/synonyms>.
MLASmart Define. "hard-boiled thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/hard-boiled/thesaurus/synonyms>