obstinado

adj. obstinate, stubborn, refractory, obdurate

v. be obstinate

v. be obstinate, recalcitrate; persist

adj. recalcitrant, disobedient

n. recalcitrant, disobedient

v. persevere, insist, persist

= obstinate, stubborn, dogged, perverse, stiff-necked, pigheaded.
Ex: She wanted to say: 'You are a conceited, obstinate, inflexible, manipulative, pompous, close-minded, insensitive, abrasive, opinionated, platitudinous oaf!'.
Ex: He is seldom happy, never satisfied, temperamental, stubborn; his behavior at times can be charitably characterized as erratic.
Ex: The last 50 years of academic librarianship have seen a dogged search for standards.
Ex: The demand for business information, in relation to its price, is rather perverse in that high price often generates a high demand.
Ex: The problem was that the stiff-necked men of science refused to bow down before the idols of political expediency.
Ex: I argue that intellectual vices (such as being gullible, dogmatic, pigheaded, or prejudiced) are essential.

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* obstinarse = persist.