(transitive) to be more heavily armed than, to have more firepower than
1917, H.G. Wells, War and the Future,Two can play at destructive industrialism, and now we out-gun you. We are piling up munitions now faster than you.
1922, Rafael Sabatini, Captain Blood,"Boarding is our only chance here. We are too heavily outgunned."
1994, Bill Clinton, State of the Union Address,There is no sporting purpose on earth that should stop the United States Congress from banishing assault weapons that outgun police and cut down children.
