Synonyms for obdurate:

Sense 1

brassbound, ruthless, compassionless, Cold-hearted, uncompliant, Incompliant, hard-boiled, adamantine, stonyhearted, remorseless.

Sense 2

unrelenting, implacable, cold-blooded, intransigent, die-hard, dogmatic.

Sense 3


Sense 4

unfeeling, iron.






pitiless, callous.

Other synonyms and related words:

inexorable, stonyhearted, pitiless, case-hardened, adamantine, resolved, perverse, inhuman, indurate, cussed, hard-boiled, pat, opinionated, iron, decided, unfeeling, unflinching, willful, unmerciful, bouldery, Hard-hearted, intransigent, uncharitable, granitelike, unrepentant, Incompliant, insensitive, refractory, ruthless, implacable, take-no-prisoners, unremorseful, pachydermatous, die-hard, unregenerated, cruel, soulless, uncompliant, ironhearted, thick-skinned, callous, granitic, heady, insensate, bouldered, unconquerable, dogmatic, unsympathetic, fixed, remorseless, unrelenting, rocklike, self-opinionated, desensitized, hardhearted, flint, unregenerate, immovable, ossified, slash-and-burn, rocky, unruly, intractable, flinty, cold-blooded, compassionless, contumacious, brassbound, merciless, wayward, impenitent, affectless, inhumane, Inconvincible, unsparing, hardened, Cold-hearted, heartless.

difficult (adjective)


hard (adjective)


narrow (adjective)


obstinate (adjective)

contrary, inelastic, stubborn, rigid, bovine, inflexible, hardheaded, uncompromising, unbendable, Pig-headed, tenacious, mulish, obstinate, adamant, hard-nosed, bigoted, hidebound, bull-headed, pertinacious, resolute, unyielding, brass-bound.

opinionated (adjective)


pigheaded, stubborn (adjective)

inflexible, heartless, implacable, thick-skinned, stiff-necked, fixed, adamant, tough, immovable, rigid, obstinate, callous, hard-boiled, hard, hard-nosed, harsh, Hard-hearted, inexorable, mulish, relentless, perverse, unsympathetic, unrelenting, indurate, unfeeling, iron, unyielding, uncompromising, dogged, unbending.

pitiless (adjective)

inhumane, cruel.

rocky (adjective)

rocklike, flinty.

severe (adjective)

bleak, disciplined, correct, acerbic, rigid, curt, intolerant, caustic, crisp, cool, basic, draconian, censorious, raw, ascetic, imperial, lean, oppressive, icy, exacting, tart, harsh, acute, astringent, piquant, stiff-necked, stringent, grim, keen, unbending, demanding, blunt, fundamental, meticulous, inflexible, relentless, frosty, stark, prudish, rigorous, spartan, intense, short, uncompromising, precise, strait-laced, spare, severe, gruff, cutting, abrupt, sharp, chilly, stern, hidebound, authoritarian, critical, brisk, obstinate, brusque, acrimonious, puritanical, dry, austere, dour, strict.

tenacious (adjective)

hard, brave, true, obstinate, spunky, indefatigable, devoted, stony, strong-willed, determined, dogged, bold, unflagging, persistent, courageous, tenacious, diligent, bulldogged, stiff, insistent, indomitable, bullheaded, persevering, tireless, stubborn, steadfast, plucky, resolute, headstrong, strong, fervent, undaunted, decisive, hearty, dauntless, staunch, enduring, faithful, tough, flintlike.

Sense 2 (noun)

cold-blooded, stonyhearted, Cold-hearted, hardened, unfeeling, compassionless, hard-boiled, callous.

Sense 3 (noun)

remorseless, inexorable, die-hard, unrelenting, intransigent, adamantine, uncompliant, brassbound, implacable, iron, Incompliant.

obdurate (noun)

flinty, hardhearted, obstinate, cussed, stony, unregenerate, unrepentant, heartless, unregenerated.

stubborn (noun)


Usage examples for obdurate:

  • He glanced constantly from the obdurate machine to the face of Miss Prescott. - "This Freedom", A. S. M. Hutchinson.
  • But Mr. Miller proved obdurate and begged me to buy his interest, which I reluctantly did after all efforts had failed to induce him to let bygones be bygones. - "Autobiography of Andrew Carnegie", Andrew Carnegie.
  • No, Grace was obdurate. - "The Clever Woman of the Family", Charlotte M. Yonge.

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