allpronoun
the whole amountthe whole of a thing, with nothing left out
All stands for a whole amount already clear from context, without naming it again.
- I don't need it all; half is enough.
- She gave all she had to help them.
- Is that all for today?
- We ate it all before anyone else arrived.
Antonyms none
every person or thingevery person or thing in a group being talked about
As a pronoun, all stands alone, comes just after a personal pronoun (we all, I ate it all), or is followed by of and a personal pronoun such as us, them, or it: all of us. Directly before a noun, or before of and a noun, all is a determiner, a separate entry.
- All of us went to the concert together.
- All of them agreed with the plan.
- Not all were happy with the decision.
- We all agreed to meet again next week.
Compare all (all directly before a noun, or before of and a noun: all students, all of the students, compared with the pronoun use before a personal pronoun: all of us)
Usage
All directly before a noun, or before of and a noun, is a determiner: all students, all of the students — a separate entry. As a pronoun, all stands alone, comes just after a personal pronoun (we all, I ate it all), or is followed by of and a personal pronoun: all of us.