Dictionary
un•til
Pronunciation: (un-til'), [key]—
conj.
1. up to the time that or when; till:
He read until his guests arrived.
2. before (usually used in negative constructions):
They did not come until the meeting was half over.
—
prep.
1. onward to or till (a specified time or occurrence):
She worked until 6 p.m.
2. before (usually used in negative constructions):
He did not go until night.
3. Scot. and North Eng.to; unto.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.