1. Having or displaying a sense of overbearing self-worth or self-importance. 2. Marked by or arising from a feeling or assumption of one's superiority toward others: an arrogant contempt for the weak. See synonyms at proud.
ETYMOLOGY:
Middle English arrogaunt, from Old French, from Latin arrogns, arrogant-, present participle of arrogre, to arrogate. See arrogate.