"Burns daylight" is a phrase used to describe wasting time or procrastinating. There are several synonyms for this phrase that can be used interchangeably. One synonym for "burns daylight" is "fritters away," which suggests that time is being scattered and used inefficiently. Another synonym is "squanders time," which emphasizes the wasteful nature of delaying. "Kills time" can also be used as a synonym, suggesting that the individual is doing something unproductive and time-consuming. Finally, "dilly-dallies" is another synonym that implies the person is wasting time by being indecisive or idle. These synonyms can all be used to describe instances where someone is not making the most use of their time.