overweening \oh-vur-WEE-ning\, adjective: 1. Overbearing; arrogant; presumptuous. 2. Excessive; immoderate; exaggerated. In a story as old as the Greeks, overweening pride brought condign disaster. -- David Frum, How We Got Here She was warring with her children, having pushed them away with her... Sign in to see full entry.