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

178 entries under tough topic. ×

1
cold fish(expression, adjective, hard, severe)
1
crotchety(adjective, hard, severe, cold)
1
difficult(troubled, obstinate, stubborn, willful)
1
dyed-in-the-wool(adjective, set, strong, hard)
1
fast(adjective, strong, secure, firm)
1
feelingless(adjective, hard, severe, cold)
1
hang-tough(adjective, strong, hard, harsh)
1
hang tough(expression, strong, difficult, certain)
1
hard-core(adjective, strong, hard, firm)
1
hard-shell(adjective, strong, hard, sturdy)
1
hard-shelled(adjective, hard, severe, rough)
1
heavy(adjective, strong, hard, severe)
1
inanimate(adjective, hard, severe, cold)
1
incurable(adjective, difficult, obstinate, stubborn)
1
indocile(difficult, violent, wild, obstinate)
1
insoluble(difficult, obstinate, stubborn, willful)
1
insubordinate(firm, unreasonable, grim, inflexible)
1
iron-hearted(adjective, hard, severe, cold)
1
ornery(firm, unreasonable, grim, inflexible)
1
rancorous(adjective, mean, harsh, cruel)
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ChicagoSmart Define. 2016. "obdurate thesaurus" https://smartdefine.org/obdurate/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, obdurate thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/obdurate/thesaurus/synonyms>.
MLASmart Define. "obdurate thesaurus" 23 March 2016. Web. 29 September 2026. <https://smartdefine.org/obdurate/thesaurus/synonyms>