Come - definition of come by The Free Dictionary come at 1. To obtain; get: come at an education through study. 2. To rush at; attack. come back 1. To return to or regain past success after a period of misfortune. 2. To retort; reply: came back with a sharp riposte. 3. To recur to the memory: It's all coming back to me now. come between To cause to be in conflict or estrangement. come by 1.