Definition of all pronoun from the Oxford Advanced American Dictionary

Oxford3000

all

pronoun
/ɔl/
 
 
1 the whole number or amountAll of the food has gone.They ate all of it.They ate it all.I invited some of my colleagues but not all.Not all of them were invited.All of them enjoyed the party.They all enjoyed it.His last movie was best of all.2 (followed by a relative clause, often without that) the only thing; everythingAll I want is peace and quiet.It was all that I had. note at altogether see also you-allIDIOMS

above all

most important of all; especially
Above all, keep in touch.above all

after all

1 despite what has been said or expectedSo you made it after all!2 used when you are explaining something, or giving a reasonHe should have paid. He suggested it, after all.after all

your all

everything you have
They gave their all (= fought and died) in the war.your all

all in all

when everything is considered
All in all it had been a great success.all in all

all in one

having two or more uses, functions, etc.
It's a corkscrew and bottle opener all in one.all in one

all or nothing

used to say that if something is not complete or completely successful, it is not worth anything
You have to have a passion for your work—for me, it's all or nothing.all or nothing

and all

also; included; in addition
She jumped into the river, clothes and all (= with her clothes on).and all

(not) at all

in any way; to any degree
I didn't enjoy it at all.at allnot at all

for all

1 despiteFor all its clarity of style, the book is not easy reading.2 used to say that something is not important or is of no interest or value to you/someoneFor all I know she's still living in Boston.You can do what you like, for all I care.For all the good it's done we might as well not have bothered.for all

in all

as a total
synonym altogetherThere were twelve of us in all for dinner.That's $25.40 in all.in all

not at all

used as a polite reply to an expression of thanks
“Thanks very much for your help.” “Not at all, it was a pleasure.”not at all

put an end to it all

to kill yourself
put an end to it all
Usage noteUsage note: altogether all togetherAltogether and all together do not mean the same thing.Altogether means “in total” or “completely”: We have invited fifty people altogether. I am not altogether convinced by this argument. Have you lost your mind altogether?All together means “all in one place” or “all at once”: Can you put your books all together in this box? Let’s sing “Happy Birthday.” All together now!