go-back noun 1go back verb 1forms 5 noun1 •An item of merchandise that needs to be returned to a shelf or rack, for example because a customer has decided not to purchase it or has brought it back for an exchange. go back verb1 •To return to a place or state after having been there at a previous time.We were getting cold so we decided to go back.Humans had discovered fire and there was no going back. formswent back · gone back · going back · goes back · go-backs