There are many synonyms for the phrase "whiled away time". These include "passing the time", "killing time", "spending time", "occupying oneself", "wasting time", "idle away time", "frittering away time", "dawdling", and "twiddling one's thumbs". Each of these phrases suggests the idea of engaging in some activity to help the time pass more quickly, often in a leisurely or unproductive way. Whether it's reading a book, playing a game, or simply chatting with friends, we all have our own ways of whileing away time when we have nothing else to do.