Backing out means to withdraw from a commitment or a promise. There are various synonyms for the term "backing out," such as retracting, reneging, withdrawing, receding, pulling out, or bailing out. These synonyms can be used interchangeably depending on the context and the situation. For instance, retracting and reneging can be used to describe a situation where someone changes their mind or goes back on their word. Meanwhile, withdrawing and receding can be used to describe physical actions such as leaving a place or situation. Pulling out and bailing out are often used in situations where someone cancels plans at the last minute. Regardless of their use, all these synonyms convey the act of stepping back or withdrawing from a situation.