There are several synonyms for the phrase "walk away from" that can be used in different contexts. Some of these include "abandon," "give up," "forsake," "turn one's back on," "relinquish," and "quit." These synonyms can be used interchangeably depending on the situation and the desired emphasis, such as abandoning a project or relationship, giving up on a dream or goal, forsaking a belief or principle, turning one's back on a person or situation, relinquishing control or responsibility, or quitting a job or situation. Each word carries a slightly different connotation and emotional weight, and careful consideration should be given to the intended message when choosing the appropriate synonym.