31 meanings: 1. directly above; on the top of; via the top or upper surface of 2. on or to the other side of 3. during;.... Click for more definitions. Over definition: In or at a position above or higher than. OVER definition: 1. above or higher than something else, sometimes so that one thing covers the other; above: 2. in…. Learn more. The meaning of OVER is across a barrier or intervening space; especially : across the goal line in football. How to use over in a sentence.