1.directed or facing toward the back or rear;
a backward view
2.(used of temperament or behavior) marked by a retiring nature;
a backward lover
3.retarded in intellectual development
4.at or to or toward the back or rear;
he moved back
5.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'
6.in or to or toward a past time;
set the clocks back an hour