Synonyms|905Antonyms|165|Broader|8Narrower|0Related|298

194 entries under hard topic. ×

3
indomitable(adjective, strong, tough, difficult)
3
inured(adjective, careless, indifferent, cruel)
3
savage(adjective, mean, rough, harsh)
3
strong(adjective, tough, flat, firm)
3
uncaring(adjective, mean, cool, tough)
3
unmoved(adjective, mean, cool, unpleasant)
2
aloof(adjective, mean, cool, tough)
2
asleep(adjective, tough, severe, cold)
2
astringent(adjective, close, strong, tough)
2
benumbed(adjective, tough, severe, cold)
2
brutish(adjective, cold, indifferent, unfeeling)
2
cantankerous(adjective, tough, severe, firm)
2
casehardened(unfeeling, unsympathetic, hardened, obstinacy)
2
coldblooded(adjective, mean, harsh, cold)
2
compassionless(adjective, attitude, cruel, unfeeling)
2
deadened(adjective, tough, severe, cold)
2
forbidding(adjective, person, close, strong)
2
hard-bitten(adjective, rough, harsh, careless)
2
hard-line(adjective, strong, tough, severe)
2
hard as nails(expression, adjective, idiom, strong)
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ChicagoSmart Define. 2016. "obdurate thesaurus" https://smartdefine.org/obdurate/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, obdurate thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/obdurate/thesaurus/synonyms>.
MLASmart Define. "obdurate thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/obdurate/thesaurus/synonyms>