All obdurate synonyms

adjective obdurate

• obstinate — firmly or stubbornly adhering to one's purpose, opinion, etc.; not yielding to argument, persuasion, or entreaty.
• stubborn — unreasonably obstinate; obstinately unmoving: a stubborn child.
• inflexible — not flexible; incapable of or resistant to being bent; rigid: an inflexible steel rod.
• pigheaded — stupidly obstinate; stubborn: pigheaded resistance.
• adamant — If someone is adamant about something, they are determined not to change their mind about it.
• immovable — incapable of being moved; fixed; stationary.
• stiff-necked — having a stiff neck; having torticollis.
• unyielding — unable to bend or be penetrated under pressure; hard: trees so unyielding that they broke in the harsh north winds.
• implacable — not to be appeased, mollified, or pacified; inexorable: an implacable enemy.
• mulish — of or like a mule, as being very stubborn, obstinate, or intractable.
• unbending — not bending or curving; inflexible; rigid.
• bullhead — any of various small northern mainly marine scorpaenoid fishes of the family Cottidae that have a large head covered with bony plates and spines
• callous — A callous person or action is very cruel and shows no concern for other people or their feelings.
• cold fish — If you say that someone is a cold fish, you think that they are unfriendly and unemotional.
• dogged — doggoned; damned; confounded: Well, I'll be dogged!
• firm — not soft or yielding when pressed; comparatively solid, hard, stiff, or rigid: firm ground; firm texture.
• fixed — fastened, attached, or placed so as to be firm and not readily movable; firmly implanted; stationary; rigid.
• hard — not soft; solid and firm to the touch; unyielding to pressure and impenetrable or almost impenetrable.
• hard-boiled — Cookery. (of an egg) boiled in the shell long enough for the yolk and white to solidify.
• hard-hearted — unfeeling; unmerciful; pitiless.
• hard-nosed — hardheaded or tough; unsentimentally practical: a hard-nosed labor leader.
• harsh — ungentle and unpleasant in action or effect: harsh treatment; harsh manners.
• heartless — unfeeling; unkind; unsympathetic; harsh; cruel: heartless words; a heartless ruler.
• indurate — to make hard; harden, as rock, tissue, etc.: Cold indurates the soil.
• inexorable — unyielding; unalterable: inexorable truth; inexorable justice.
• iron — Chemistry. a ductile, malleable, silver-white metallic element, scarcely known in a pure condition, but much used in its crude or impure carbon-containing forms for making tools, implements, machinery, etc. Symbol: Fe; atomic weight: 55.847; atomic number: 26; specific gravity: 7.86 at 20°C. Compare cast iron, pig iron, steel, wrought iron.
• mean — to intend for a particular purpose, destination, etc.: They were meant for each other. Synonyms: destine, foreordain.
• perverse — willfully determined or disposed to go counter to what is expected or desired; contrary.
• relentless — that does not relent; unyieldingly severe, strict, or harsh; unrelenting: a relentless enemy.
• rigid — stiff or unyielding; not pliant or flexible; hard: a rigid strip of metal.
• thick-skinned — having a thick skin.
• tough — strong and durable; not easily broken or cut.
• uncompassionate — having or showing compassion: a compassionate person; a compassionate letter.
• uncompromising — not admitting of compromise or adjustment of differences; making no concessions; inaccessible to flexible bargaining; unyielding: an uncompromising attitude.
• uncooperative — working or acting together willingly for a common purpose or benefit.
• unemotional — pertaining to or involving emotion or the emotions.
• unfeeling — not feeling; devoid of feeling; insensible or insensate.
• impressible — capable of being impressed; impressionable.
• unrelenting — not relenting; not yielding or swerving in determination or resolution, as of or from opinions, convictions, ambitions, ideals, etc.; inflexible: an unrelenting opponent of the Equal Rights Amendment.
• unshakable — to move or sway with short, quick, irregular vibratory movements.
• unsympathetic — characterized by, proceeding from, exhibiting, or feeling sympathy; sympathizing; compassionate: a sympathetic listener.
• hardhearted — unfeeling; unmerciful; pitiless.
• pitiless — feeling or showing no pity; merciless: pitiless criticism of his last novel.
• ruthless — without pity or compassion; cruel; merciless: a ruthless tyrant.