4. (adj)backward having made less than normalprogress "an economically backward country"
5. (adverb)back, backward, backwards, rearward, rearwards 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"
6. (adverb)backward, backwards 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"
7. (adverb)back, backward in or to or toward a pasttime "set the clocks back an hour"; "never look back"; "lovers of the past looking fondly backward"