PERVICACIOUS
a.[L. pervicax; composed perhaps of per and Teutonic wigan, to strive or contend. ] Very obstinate; stubborn; willfully contrary or refractory.
PERVICACIOUSLY
adv. With willful obstinacy.
PERVICACIOUSNESS, PERVICACITY
n.Stubbornness; willful obstinacy. [Little used. ]
Per `vi *ca "cious, a. Etym: [L. pervicax, -acis.]