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Definition of obdurate:

  1. Hard; harsh; rugged; rough; intractable.
  2. Hardened in feelings, esp. against moral or mollifying influences; unyielding; hard- hearted; stubbornly wicked.
  3. To harden.


rocky, flint, unflinching, remorseless, cussed, firm, cold-hearted, hard-boiled, granitic, bouldery, die-hard, callous, unrelenting, hardhearted, cold-blooded, bouldered, unrepentant, impenitent, rocklike, stony, unregenerate, obstinate, study at inflexible, fixed, callous, opinionated, heartless, compassionless, refractory, wayward, flinty, stonyhearted, unregenerated, unremorseful, resolved, iron, heady, attitude, hardened, resist, perverse, decided, brassbound, uncompliant, contumacious, adamantine, incompliant, intransigent, granitelike, intractable, implacable, unfeeling, unconquerable, inexorable, immovable.

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