pervicacious

pervicacious [pur-vi-key-shuh s] Word Origin adjective

1. extremely willful; obstinate; stubborn.

Origin of pervicacious 1625–35; Latin pervicāc-, stem of pervicāx stubborn, willful (per- per- + vic-, variant stem of vincere to conquer (see victor) + -āx adj. suffix denoting tendency or ability) + -ious Related formsper·vi·ca·cious·ly, adverbper·vi·ca·cious·ness, noun Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019