plead out Share definition Flag To plead guilty in the hope of getting a reduced sentence or some other consideration. 'Scunge was caught with his hand in the till, but he chose to plead out while implicating others and got off with a suspended sentence.' plead out by anarcissie January 9, 2012 0 0 Get merch Get the plead out mug. Buy Now — $32.95 See more merch