"Back-to-front" is a phrase that is commonly used to describe something that is done or arranged in an opposite or reversed order. However, there are several synonyms that can also be used to convey the same meaning, such as "reversed," "inverted," "upside-down," "inside-out," "contrary," "opposite," and "backwards." These words are often used in different contexts to emphasize the reversal or opposite order of things. For example, "upside-down" may be used to describe a flipped image or position, while "contrary" may be used to describe a decision or action taken in complete opposition to what is expected. Overall, these synonyms can be used interchangeably with "back-to-front" to describe a variety of situations.