adj. Firm as a stub or stump; stiff; unbending; unyielding; persistent; hence, unreasonably obstinate in will or opinion; not yielding to reason or persuasion; refractory; harsh; - said of persons and things; as, stubborn wills; stubborn ore; a stubborn oak; as stubborn as a mule.
Syn. - Obstinate; inflexible; obdurate; headstrong; stiff; hardy; firm; refractory; intractable; rugged; contumacious; heady. - Stubborn, Obstinate. Obstinate is used of either active or passive persistence in one's views or conduct, in spite of the wishes of others. Stubborn describes an extreme degree of passive obstinacy.