What is the meaning of backward?

adjective

• Directed or facing toward the back or rear.
  • usage: "a backward view"
• Used of temperament or behavior. ( marked by a retiring nature)
  • usage: "a backward lover"
• Retarded in intellectual development.
  • synonyms: half-witted, slow-witted, feebleminded
• Having made less than normal progress.
  • usage: "an economically backward country"

adverb

• At or to or toward the back or rear.
  • usage: "he moved back"; "tripped when he stepped backward"; "she looked rearward out the window of the car"
  • synonyms: back, backwards, rearward, rearwards
• In a manner or order or direction the reverse of normal.
  • usage: "it's easy to get the `i' and the `e' backward in words like `seize' and `siege'"; "the child put her jersey on backward"
  • synonyms: backwards
• In or to or toward a past time.
  • usage: "set the clocks back an hour"; "never look back"; "lovers of the past looking fondly backward"
  • synonyms: back