At the same time that; although: While the grandparents love the children, they are strict with them. A period of time: stay for a while; sang all the while. See Usage Note at awhile. The time, effort, or trouble taken in doing something: The project wasn't worth my while. As long as; during the time that: It was lovely while it lasted. Whereas; and: The soles are leather, while the uppers are canvas. To spend (time) idly or pleasantly: while the hours away.