obdurate

adj. stubborn; stiff-necked

Adjective
1. stubbornly persistent in wrongdoing
(synonym) cussed, obstinate, unrepentant
(similar) unregenerate, unregenerated
2. showing unfeeling resistance to tender feelings; "the child's misery would move even the most obdurate heart"
(synonym) flinty, stony
(similar) hardhearted, heartless

(v. t.)
To harden.
  

(a.)
Hardened in feelings, esp. against moral or mollifying influences; unyielding; hard-hearted; stubbornly wicked.
  

(a.)
Hard; harsh; rugged; rough; intractable.
  

adj.
1. harsh
سخت, تند, روکھا, اکھڑ
2. hardened in feeling
سنگدل, بے رحم, نٹھر, سخت, کٹھور, متمرد, ضدي, سرکش

Synonyms and related words:
adamant, asleep, benumbed, bony, brazen, callous, calloused, case-hardened, cement, cemental, cold, cold of heart, coldblooded, coldhearted, concrete, conscienceless, corneous, dead, deadened, dense, diamondlike, dogged, dour, dull, dure, firm, flinthearted, flintlike, flinty, fundamentalist, granitelike, granitic, hard, hard as nails, hard of heart, hard-bitten, hard-boiled, hard-nosed, hard-set, hardened, hardhearted, heartless, hidebound, horny, immovable, impassible, impenitent, imperceptive, impercipient, impliable, indurated, inexorable, inflexible, insensate, insensible, insensitive, insentient, insolent, inured, iron, iron-hard, ironbound, ironclad, ironhanded, ironlike, lapideous, lithoid, lithoidal, lost to shame, marble, marblelike, mulish, muscle-bound, numb, numbed, obstinate, obtuse, orthodox, osseous, procrustean, purist, puristic, puritan, puritanic, relentless, resistant, resistive, rigid, rigorist, rigoristic, rigorous, rockbound, rocklike, rocky, seared, shameless, solid, steellike, steely, stiff, stiff-necked, stonelike, stony, stonyhearted, straightlaced, straitlaced, stubborn, thick-skinned, thick-witted, tough, unabject, unbending, unblushing, uncompassionate, uncompromising, uncontrite, unemotional, unfeeling, unfelt, unmelted, unmerciful, unnatural, unperceptive, unrelenting, unrepentant, unrepenting, unresponsive, unsoftened, unsympathetic, untouched, unyielding