backward
back-ward
adjective
Directed towards the rear or in the opposite direction of normal movement.
"He took a backward step."
adjective
Lacking in development, progress, or modern advancement; primitive or unsophisticated.
"They live in a rather backward country."
adverb
Moving or looking in the direction of the rear or towards the past.
"He fell backward into the chair."
Thesaurus
Synonyms: retroflex, regardant, retrograde, transposed, reversed, reverse, rearward, retracted, reflexive, converse, receding, retral
Antonyms: ahead, forrad, forrard, forward, forwards, frontward, frontwards