1be·fore 
/bɪˈfoɚ/ adverb
/bɪˈfoɚ/ adverb 1 : at an earlier time
▪ Haven't we met before? ▪ the night/day before ▪ I've never seen her so happy before. [=I've never seen her as happy as she is now] ▪ We haven't had these problems before. ▪ Everything is just as (it was) before. 2 formal + old-fashioned : to or toward the place where someone is going : in advance
▪ marching on before [=ahead]
▪ Haven't we met before? ▪ the night/day before ▪ I've never seen her so happy before. [=I've never seen her as happy as she is now] ▪ We haven't had these problems before. ▪ Everything is just as (it was) before.
▪ marching on before [=ahead]
