Definition of all pronoun from the Oxford Advanced American Dictionary

     

    all

     pronoun
    pronoun
    NAmE//ɔl//
     
     
    jump to other results
  1. 1 the whole number or amount All 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. 2(followed by a relative clause, often without that) the only thing; everything All I want is peace and quiet. It was all that I had. Which Word?altogether / all together Altogether 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! see also you-all
  3. Idioms everything you have They gave their all (= fought and died) in the war. when everything is considered All in all it had been a great success. having two or more uses, functions, etc. It's a corkscrew and bottle opener all in one.
    all or nothing
     
    jump to other results
    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.
    also; included; in addition She jumped into the river, clothes and all (= with her clothes on).
    (not) at all
     
    jump to other results
    in any way; to any degree I didn't enjoy it at all.
    as a total synonym altogether There were twelve of us in all for dinner. That's $25.40 in all. used as a polite reply to an expression of thanks “Thanks very much for your help.” “Not at all, it was a pleasure.”
See the Oxford Advanced Learner's Dictionary entry: all