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.

[Middle English arrogaunt, from Old French, from Latin arrogāns, arrogant-, present participle of arrogāre, to arrogate. See arrogate.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.