Backward vs. Backwards: Whats the Difference? - Grammarly To summarize, backward is an adjective that characterizes something as reverse or regressive, whereas backwards is primarily used as an adverb to describe a motion done in reverse
How to Use Backward vs backwards Correctly - GRAMMARIST While technically backwards is interchangeable with backward, the overwhelmingly preferred spelling in the United States is backward, whether it is used as an adjective or an adverb