Bedeutung von “past” im Essential American English Dictionary

past

noun us /pæst/
the past

A2 the time before the present and all the things that happened then:

In the past people would bathe once a month.
the past also the past tense

B1 in grammar, the form of a verb that is used to show what happened in the past

someone’s past

B1 all of the things that someone has done in his or her life:

I knew nothing about his past.

(Definition von “past noun” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)