When it comes to expressing reluctance or hesitation, "backing out of" is a common phrase used to convey that someone has decided against something they previously committed to. However, there are several synonyms that can be used in its place, depending on the specific context and intended meaning. Some of these alternatives include withdrawing, retracting, reneging, recanting, rescinding, and reversing. Each of these words has a slightly different nuance and connotation, so it's important to choose the one that best fits the situation. Whether it's backing out of a business deal or a social commitment, using the right synonym can help make the message clearer and more effective.