rearward

nouns

direction toward the rear
"his outfit marched to the rearward of the tank divisions"
is a type of (narrower)
the side of an object that is opposite its front
"his room was toward the rear of the hotel"

adjectives

located in or toward the back or rear
"the chair's rear legs"; "the rear door of the plane"; "on the rearward side"
directed or moving toward the rear
"a rearward glance"; "a rearward movement"

adverbs

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"