Definitions

1. adverb

at or in an earlier time or position

“I’ll be there before you leave.”

2. preposition

in a position in front of or at the start of something

“She stood before the judge.”

3. noun

the period of time just before something

“We’ll have dinner before the show.”

4. conjunction

used to indicate that something happened before something else

“I finished my homework before I went to bed.”