: backward and forward also : between two places or persons. Synonyms Example Sentences Learn More About back-and-forth.

How do you use back and forth?

She is not married, but goes back and forth with her boyfriend as to whether they should move in together, break up, or revamp the relationship entirely.

Is back and forth an idiom?

adjective In one direction and then another in an alternating fashion. During the party, I went back and forth to the kitchen to get drinks for the guests. The kids are outside throwing the baseball back and forth. The union and management are still going back and forth in the contract negotiation.