inconvincible

sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion she's inconvincible on the issue as she is on everything else, so don't even bother Synonyms adamant, adamantine, bullheaded, dogged, hard, hardened, hardheaded, hard-nosed, headstrong, immovable, implacable, obstinate, inflexible, intransigent, mulish, obdurate, opinionated, ossified, pat, pertinacious, perverse, pigheaded, self-opinionated, self-willed, stiff-necked, stubborn, unbending, uncompromising, unrelenting, unyielding, willful (or wilful)Related Words anal-retentive, obsessive; wayward, wrongheaded; determined, hell-bent, inexorable, persistent, relentless, resolved, set, single-minded, steadfast, stouthearted, tenacious, unflinching; firm, hard-line, hard-shell (or hard-shelled), iron, severe, stern, strict; hidebound, narrow-minded, rigid; bloody-minded [chiefly British], cantankerous; contrary, cussed; contumacious, disobedient, froward, insubordinate, intractable, recalcitrant, refractory, uncooperative, ungovernable, unmanageable, unruly; defiant, insurgent, mutinous; indomitable, invincible, unconquerable; confirmed, inveterate, unregenerate; demanding, exactingNear Antonyms docile, obedient, placable, submissive, tractable; accepting, persuadable, receptive, responsive, willing; governable, manageable, reasonable, temperate; slavish, subservientAntonyms acquiescent, agreeable, amenable, compliant, complying, flexible, pliable, pliant, relenting, yielding