rearward

definition: at or to or toward the back or rear
example:
speech part: adverb
synonyms: back
definition: directed or moving toward the rear
example: a rearward glance
speech part: adjective
synonyms: reverse
definition: direction toward the rear
example: The child's seat faced the rearward of the car.
speech part: noun
synonyms:
definition: located in or toward the back or rear
example:
speech part: adjective
synonyms: rear

How rearward is being used?