Significado de "before" - Learner’s Dictionary

before

preposition uk us /bɪˈfɔːr/
EARLIER

A1 earlier than something or someone:

a week before Christmas
She arrived before me.
[ + doing sth ] Think hard before accepting the offer.
IN FRONT OF

B1 in a position in front of someone or something:

I've never performed this before an audience.
He stood before her, shaking.
PLACE

A1 at a place that you arrive at first when travelling towards another place:

The hospital is just before the bridge.
IN ORDER

B1 in front of someone or something in an order or a list:

P comes before Q in the alphabet.
IMPORTANCE

treated as more important than someone or something:

They always put the children's needs before their own.
EXAMINATION

being formally examined or considered by a group:

the proposal before the committee
He appeared before the court dressed in jeans.

(Definición de before preposition del Cambridge Learner's Dictionary © Cambridge University Press)