all(a) 1

(quantifier) used with either mass nouns or plural count nouns to indicate an unspecified number or quantity

(quantifier) used with either mass nouns or plural count nouns for indicating a complete or almost complete lack or zero quantity of

(used of count nouns) every one considered individually

(used of count nouns) each and all of the members of a group considered singly and without exception

(used as intensive) every

each and all of a series of entities or intervals as specified