While away time refers to the act of passing time in a leisurely or unproductive manner. There are a variety of synonyms that can be used in place of this phrase, including "kill time," "idle away time," "waste time," "pass the time," "spend time," and "occupy oneself." Each of these phrases conveys the same general idea of spending time without a specific purpose or goal in mind. While these phrases may have a slightly different connotation or tone, they can all be used interchangeably in most contexts to describe the act of passing time in a relaxed or unproductive way.