Before
Prior to
Synonyms Prior to, earlier than, in preparation for, in anticipation of, in advance of, leading up to, anterior to, before now, until now, up to now, earlier, hitherto, in days gone by, previous to, preparatory to, preliminary to, in expectation of, ahead of, on the eve of, previously, before then, until then, up to then, formerly, in the past, and heretofore.
In front of
Example Sentences
I finished my homework before dinner.
Please arrive before the meeting starts.
She always checks before leaving home.
We met before the movie started.