having or showing feelings of unwarranted importance out of overbearing pride
"an arrogant official"
"arrogant claims"
"chesty as a peacock"
Having excessive pride in oneself, often with contempt or disrespect for others.
"The arrogant CEO walked into the meeting room without introducing himself and immediately dismissed everyone else's ideas as foolish."
The word comes from the Latin arrogans, which is the present active participle of arrogō. It originally carried the meaning of someone who claims or takes something for themselves without right.