Making, or having the disposition to make, exorbitant claims of rank or estimation; giving one's self an undue degree of importance; assuming; haughty; applied to persons
disapproval Someone who is arrogant behaves in a proud, unpleasant way towards other people because they believe that they are more important than others. He was so arrogant That sounds arrogant, doesn't it? + arrogance ar·ro·gance At times the arrogance of those in power is quite blatant. behaving in an unpleasant or rude way because you think you are more important than other people (present participle of arrogare; ARROGATE)
having or showing feelings of unwarranted importance out of overbearing pride; "an arrogant official"; "arrogant claims"; "chesty as a peacock"