Noah Webster
Arrogant
AR'ROGANT, adjective
1. Assuming; making or having the disposition to make exorbitant claims of rank or estimation; giving one's self an undue degree of importance; haughty; conceited; applied to persons.
2. Containing arrogance; marked with arrogance; proceeding from undue claims of self importance; applied to things; as arrogant pretensions or behavior.