Definitions
1.nounAn uncertain duration of time, a period of time."He lectured for quite a long while."
2.verbTo pass (time) idly.
3.verbTo occupy or entertain (someone) in order to let time pass.
4.verbTo loiter.
5.prepositionUntil.
6.conjunctionDuring the same time that."He was sleeping while I was singing."
7.conjunctionAlthough."This case, while interesting, is a bit frustrating."
8.conjunctionUntil."I'll wait while you've finished painting."
9.conjunctionAs long as."While you're at school you may live at home."
10.conjunction(public policy) Used to denote an individual experiencing racial profiling when performing a seemingly benign activity."He was detained for four hours at the store yesterday. His crime? Shopping while black."