whilst
During the whole, or until the end, of the time that; as long as, at the same time.
Other meanings
Within, or before the end, of the time that.
Although; in contrast; whereas.
Word history
From Middle English "whilst".
Where this comes from
This definition is adapted from “whilst” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.