The term 'move in reverse' can be described by the crossword solutions of 'BACKWARD' (8 letters), 'REAR' (4 letters), 'BACK' (4 letters), 'BACKUP' (6 letters), and 'BACKSLIDE' (9 letters). All of these words refer to the idea of moving in a direction opposite to the one you are facing, or going BACK in the opposite direction. 'BACKWARD' and 'BACK' both refer to the physical act of moving in the opposite direction, while 'REAR' refers to the BACK side of something. 'BACKUP' and 'BACKSLIDE' both refer to the idea of regressing or reversing progress.