past

the time that has elapsed

forget the past

a earlier period in someone's life (especially one that they have reason to keep secret)

reporters dug into the candidate's past

a verb tense that expresses actions or states in the past

earlier than the present time; no longer current

time past

of a person who has held and relinquished a position or office

a retiring member of the board

so as to pass a given point

every hour a train goes past