Done or arranged in a manner or order that is opposite to previous occurrence or normal use.
Unwilling to act; reluctant; shy.
Behind others in progress or development: The technology was backward, but the system worked.
adverb
To or toward the back or rear.
With the back leading.
In a reverse manner or order.
To, toward, or into the past.
Toward a worse or less advanced condition.
derivatives
bacḱward·ly
adverb
bacḱward·ness
noun
usage note
Usage Note: The adverb may be spelled backward or backwards, and these forms are interchangeable: stepped backward; a mirror facing backwards. In Standard English, however, the adjective has no –s: a backward view.
The American Heritage® Dictionary of the English Language, Fourth Edition