pervicacious

adjective

per·​vi·​ca·​cious

¦pərvə¦kāshəs

: very obstinate : willful, refractory

pervicaciously adverb

Word History

Etymology

Latin pervicac-, pervicax pervicacious (from per- thoroughly + -vicac-, vicax, from the stem of vincere to prevail, win a point, conquer) + English -ious

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