Definition of all

• to a complete degree or to the full or entire extent (`whole is often used informally for `wholly); "he was wholly convinced"; "entirely satisfied with the meal"; "it was completely different from what we expected"; "was completely at fault"; "a totally new situation"; "the directions were all wrong"; "it was not altogether her fault"; "an altogether new approach"; "a whole new idea"
• 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"; "ate all the food"; "all men are mortal"; "all parties are welcome"
• completely given to or absorbed by; "became all attention"