See stubborn in Webster's New World Roget's A-Z Thesaurus II
adjective
Firmly, often unreasonably immovable in purpose or will:
adamant, adamantine, brassbound, die-hard, grim, implacable, incompliant, inexorable, inflexible, intransigent, iron, obdurate, relentless, remorseless, rigid, unbendable, unbending, uncompliant, uncompromising, unrelenting, unyielding. Idiom: stubborn as a mule (or ox). See resistDifficult to alleviate or cure:
obstinate, persistent, pertinacious. See continue
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