all all /ɔːl/

adjective

1. () (quantifier) used with either mass or count nouns to indicate the whole number or amount of or every one of a class  ( all )
   (quantifier) used with either mass or count nouns to indicate the whole number or amount of or every one of a class
    We sat up all night
   we sat up all night
    Ate all the food
   ate all the food
    All men are mortal
   all men are mortal
    All parties are welcome
   all parties are welcome
   
2. () Completely given to or absorbed by  ( all )
   completely given to or absorbed by
    Became all attention
   became all attention
   

adverb

1. () To a complete degree or to the full or entire extent (whole' is often used informally for wholly')  ( whole , right , totally , all , altogether , completely , entirely , wholly )
   to a complete degree or to the full or entire extent (whole' is often used informally for wholly')
    He was wholly convinced
   he was wholly convinced
    Entirely satisfied with the meal
   entirely satisfied with the meal
    It was completely different from what we expected
   it was completely different from what we expected
    Was completely at fault
   was completely at fault
    A totally new situation
   a totally new situation
    The directions were all wrong
   the directions were all wrong
    It was not altogether her fault
   it was not altogether her fault
    An altogether new approach
   an altogether new approach
    A whole new idea
   a whole new idea
    She felt right at home
   she felt right at home
    He fell right into the trap
   he fell right into the trap
   

pronoun

1. () Every person; everyone without exception.  ( all , all and sundry , one and all , everybody , everyone )
   Every person; everyone without exception.
   
2. () The entirety or whole of a certain group or category.  ( all , everything )
   The entirety or whole of a certain group or category.