before
US /bɪˈfɔr,-ˈfor/
・UK /bɪˈfɔ:(r)/
A1
adverb
- Previously; already.
- At a time earlier than the present; previously
- More important than.
- Used to introduce a statement, question, or command.
conjunction
- Sooner than the time when.
- In advance of something happening
preposition
- In front of someone or something
- In front of; ahead of.
- Earlier than; prior to.