n.
Function: pronoun, singular or plural in construction
Date: before 12th century
1 a : the whole number, quantity, or amount : TOTALITY < all that I have> < all of us> < all of the books> b ― used in such phrases as for all I know, for all I care, and for all the good it does to indicate a lack of knowledge, interest, or effectiveness
2 : EVERYBODY , EVERYTHING <gave equal attention to all > <that is all >
– all in all : on the whole : GENERALLY < all in all, things might have been worse>
– and all : and everything else especially of a kind suggested by a previous context <cards to fill out with ⋯ numbers and all ― Sally Quinn>