Back out is a phrase that refers to an individual who withdraws or retreats from a commitment or situation. Some synonyms for the word back out include: quit, withdraw, bolt, bail out, give up, renege, abandon, and desert. These terms imply a sense of defiance or lack of commitment to a task or situation. Backing out is perceived as a cowardly way of dealing with problems. However, it is important to point out that some situations may warrant the need to back out. It is essential to weigh the consequences before walking away from a commitment, to avoid repercussions.