all

From Wiktionary
all is on the Basic English 850 List.
air - all - almost
all is one of the 1000 most common headwords.
air - all - allow

Pronunciation[change]

Determiner[change]

Determiner
all

  1. (definite) All of something is 100% of it, or the entire amount.
    Well, you could stay in bed all day on Friday. And I could take the kids to school.
    You know, you can't see all of the moon.
    "There was a problem." "Yes, I know all about it."
    No! You did it all wrong.
    Can you tell me all this tomorrow?
    I think we all know we have to change.
    The shirt is almost all white.
    Is that all you can do?
  2. All of some things is 100% of them, or every one.
    And then you can go and tell all your friends about it.
    Not all of them are as wealthy as you imagine.

Noun[change]

Singular
all

Plural
none

  1. (uncountable) If you give your all or put your all into something, you make the maximum effort possible.
    He puts his all into every game.