Definition of "before"
- preposition
Earlier than (in time).
In front of in space.
Under consideration, judgment, authority of (someone).
In store for, in the future of (someone).
In front of, according to a formal system of ordering items.
At a higher or greater position in a subjective ranking.
- adverb
At an earlier time.
In advance.
- conjunction
In advance of the time when.
Rather or sooner than.
- Sources