The state behind or past.
(of motion) In the direction towards the back.
They left without a backward glance.
(of motion) In the direction reverse of normal.
The occasional backward movement of planets is evidence they revolve around the sun.
Reluctant or unable to advance.
Of a culture: undeveloped or unsophisticated.
Outdated.
On that part of the field behind the batsman's popping crease.
Further behind the batsman's popping crease than something else.
Unwilling; averse; reluctant.
Slow to apprehend; having difficulties in learning.
a backward child
Late or behindhand.
a backward season
Already past or gone; bygone.