• Noun: the time that has elapsed; example: "forget the past"
• Noun: a earlier period in someone's life (especially one that they have reason to keep secret); example: "reporters dug into the candidate's past"
• Noun: a verb tense that expresses actions or states in the past
• Adj: earlier than the present time; no longer current; examples: "time past", "his youth is past", "this past Thursday", "the past year"
• Adj: of a person who has held and relinquished a position or office; example: "a retiring member of the board"
• Adj: a verb tense or other construction referring to events or states that existed at some previous time; example: "past participle"
• Adv: so as to pass a given point; example: "every hour a train goes past"
You must learn from your past mistakes, but not lean on your past successes.
Trying to sneak a fastball past Hank Aaron is like trying to sneak the sunrise past a rooster.