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: incapable of being convinced
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adamant, adamantine, bullheaded, dogged, hard, hard-nosed, hardened, hardheaded, headstrong, immovable, implacable, inflexible, intransigent, mulish, obdurate, obstinate, opinionated, ossified, pat, pertinacious, perverse, pigheaded, self-opinionated, self-willed, stiff-necked, stubborn, unbending, uncompromising, unrelenting, unyielding, willful (or wilful)
acquiescent, agreeable, amenable, compliant, complying, flexible, pliable, pliant, relenting, yielding
1674, in the meaning defined above
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