1. To move to a position or in the direction directly behind oneself. I moved backward in alarm when the patient began convulsing. I didn't have space to turn the car around, so I had to move backward to get out of the alleyway.

2. To cause or compel someone or something to move to a position or in the direction directly behind them. In this usage, a noun or pronoun can be used between "move" and "backward." The teacher moved me backward a few steps so that I was in line with everyone else. I can't move this thing backward without being able to see behind me!