backward

In a manner or order or direction the reverse of normal.

“it's easy to get the `i' and the `e' backward in words like `seize' and `siege'”

“the child put her jersey on backward”

In or to or toward a past time.

“lovers of the past looking fondly backward”

At or to or toward the back or rear.

“tripped when he stepped backward”

Retarded in intellectual development.

Directed or facing toward the back or rear.

“a backward view”

Having made less than normal progress.

“an economically backward country”

(used of temperament or behavior) marked by a retiring nature.

“a backward lover”