rearward
noun.
direction toward the rear
his outfit marched to the rearward of the tank divisions
adv.
at or to or toward the back or rear
he moved back|tripped when he stepped backward|she looked rearward out the window of the car
adj.
located in or toward the back or rear
the chair's rear legs|the rear door of the plane|on the rearward side
Synonym: rear
adj.
directed or moving toward the rear
a rearward glance|a rearward movement
Synonym: reverse