adverb
definition
At an earlier time.
example
I've never done this before.
definition
In advance.
definition
At the front end.
preposition
definition
Earlier than (in time).
example
I want this done before Monday.
definition
In front of in space.
example
He stood before me.
definition
In the presence of.
example
He performed before the troops in North Africa.
definition
Under consideration, judgment, authority of (someone).
example
The case laid before the panel aroused nothing but ridicule.
definition
In store for, in the future of (someone).
definition
In front of, according to a formal system of ordering items.
example
In alphabetical order, "cat" comes before "dog", "canine" before feline".
definition
At a higher or greater position than, in a ranking.
example
An entrepreneur puts market share and profit before quality, an amateur intrinsic qualities before economical considerations.
conjunction
definition
In advance of the time when.
definition
Rather or sooner than.
example
I'll die before I'll tell you anything about it.