past is on the Basic English 850 List.
part - past - paste
past is one of the 1000 most common headwords.
pass - past - pay

Pronunciation change

Noun change

Singular
past

Plural
pasts

  1. (uncountable) A time before now.
    In the past, many years ago, I was a good doctor.
    Stuff in the past is a lot different than it is now.
  2. (grammar) Past means the past tense.

Related words change

Adjective change

Positive
past

Comparative
none

Superlative
none

  1. done
    The harvest is past. It finished in October.

Preposition change

Preposition
past

  1. by; beside
    I watched as he walked past the museum window from north to south.