adamant, adamantine, at a standstill, bowelless, bulky, bullheaded, cast-iron, certain, closed to, complaining, constant, cruel, dense, disputatious, disputing, dissentient, dissenting, dog-eat-dog, dour, durable, enduring, fated, fateful, firm, fixed, flinty, fractious, frozen, fundamentalist, grim, hard, hard-core, hard-line, harsh, headstrong, heartless, heavy, hidebound, immobile, immotile, immotive, immovable, immutable, impenetrable, impersuadable, impersuasible, impervious, implacable, impliable, impregnable, inclement, incontestable, indefeasible, indomitable, inductile, inelastic, ineluctable, inescapable, inevasible, inevitable, inexorable, inexpugnable, inextensible, inextensile, inextensional, inflexible, insuperable, intractable, intractile, intransigent, invincible, inviolable, invulnerable, iron, ironbound, ironclad, ironfisted, ironhanded, irreconcilable, irremovable, irresilient, irresistible, irrevocable, lasting, loyal, massive, merciless, mortal, mulish, muscle-bound, necessary, noncooperative, nonelastic, nonstretchable, obdurate, objecting, obstinate, obstructive, on the barricades, orthodox, overpowering, overwhelming, pat, pertinacious, pigheaded, pitiless, procrustean, proof against, protesting, purist, puristic, puritan, puritanic, rebellious, recalcitrant, refractory, relentless, reluctant, remorseless, renitent, repellent, resistant, resisting, resistive, resistless, retardant, retardative, rigid, rigorist, rigoristic, rigorous, rock-ribbed, rockbound, rugged, ruthless, self-willed, set, settled, single-minded, solid, sot, sound, stable, standpat, stationary, staunch, steadfast, steady, steely, stern, stiff, stout, straightlaced, straitlaced, strong, stubborn, sturdy, sure, sure as death, sure as fate, tough, true, unaffected, unalterable, unamenable, unappeasable, unassailable, unavoidable, unbeatable, unbending, unchangeable, uncompassionate, uncompassioned, uncompliant, uncompromising, unconquerable, uncontrollable, uncooperative, undeflectable, unextendible, unextensible, unfeeling, unflappable, unflexible, unflinching, unforgiving, ungiving, unimpressionable, uninfluenceable, unlimber, unmalleable, unmerciful, unmovable, unmoved, unmoving, unpersuadable, unpitiful, unpitying, unpliable, unpliant, unpreventable, unreceptive, unrelenting, unremorseful, unresponsive, unshaken, unstoppable, unsubduable, unsubmissive, unsuggestible, unsurmountable, unsusceptible, unswayable, unswerving, unsympathetic, unsympathizing, untractable, up in arms, well-built, well-constructed, well-founded, well-grounded, well-made, without mercy, withstanding

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ROGET THESAURUS

unyielding

Obstinacy

N obstinacy, obstinateness, obstinacy, tenacity, cussedness, perseverance, immovability, old school, inflexibility, obduracy, obduration, dogged resolution, resolution, ruling passion, blind side, self-will, contumacy, perversity, pervicacy, pervicacity, indocility, bigotry, intolerance, dogmatism, opiniatry, opiniativeness, fixed idea, fanaticism, zealotry, infatuation, monomania, opinionatedness opinionativeness, mule, opinionist, opinionatist, opiniator, opinator, stickler, dogmatist, bigot, zealot, enthusiast, fanatic, obstinate, tenacious, stubborn, obdurate, casehardened, inflexible, balky, immovable, unshakable, not to be moved, inert, unchangeable, inexorable, mulish, obstinate as a mule, pig-headed, dogged, sullen, sulky, unmoved, uninfluenced unaffected, willful, self-willed, perverse, resty, restive, restiff, pervicacious, wayward, refractory, unruly, heady, headstrong, entete, contumacious, crossgrained, arbitrary, dogmatic, positive, bigoted, prejudiced, creed- bound, prepossessed, infatuated, stiff-backed, stiff necked, stiff hearted, hard-mouthed, hidebound, unyielding, impervious, impracticable, inpersuasible, unpersuadable, intractable, untractable, incorrigible, deaf to advice, impervious to reason, crotchety, obstinately, non possumus, no surrender, ils n'ont rien appris ne rien oublie.

Resistance

N resistance, stand, front, oppugnation, oppugnancy, opposition, renitence, renitency, reluctation, recalcitration, kicking, repulse, rebuff, insurrection, strike, turn out, lock out, barring out, levee en masse, Jacquerie, riot, resisting, resistive, resistant, refractory, recalcitrant, renitent, up in arms, repulsive, repellant, proof against, unconquerable, stubborn, unconquered, indomitable, unyielding, Int, hands off!, keep off!.

Hardness

N hardness, rigidity, renitence, renitency, inflexibility, temper, callosity, durity, induration, petrifaction, lapidification, lapidescence, vitrification, ossification, crystallization, stone, pebble, flint, marble, rock, fossil, crag, crystal, quartz, granite, adamant, bone, cartilage, hardware, heart of oak, block, board, deal board, iron, steel, cast iron, decarbonized iron, wrought iron, nail, brick, concrete, cement, hard, rigid, stubborn, stiff, firm, starch, starched, stark, unbending, unlimber, unyielding, inflexible, tense, indurate, indurated, gritty, proof, adamant, adamantine, adamantean, concrete, stony, granitic, calculous, lithic, vitreous, horny, corneous, bony, osseous, ossific, cartilaginous, hard as a rock, stiff as buckram, stiff as a poker, stiff as starch, stiff as as board.

Inelasticity

N inelasticity, want of elasticity, absence of elasticity, inelasticity, unyielding, inelastic, inflexible, irresilient.

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