(colloquial) Used before a plural noun to form a compound noun having the sense of: the greatest or largest of (its kind); the most epic example of (its kind).

(colloquial, obsolete) True; agreed, yes indeed. / (of accounts, amounts, or calculations) Accurate, tallied correctly. / (of documents, especially legal documents) Accurate and appropriate.

Combining two or more items in one unit.

A multifunction device, especially a printer that also works as a scanner and fax machine. / (computing) A desktop computer having all major components, including the display, built into a single unit.

A matter of indifference; a matter having no importance or consequence.

(chiefly Southern US, redundant, pleonasm) Plural form of you.

(chiefly Southern US, colloquial) Possessive of all y'all (standing in for all your).

The group spoken or written to.

(informal) Extremely. / Used other than figuratively or idiomatically: see all, kinds, of.

plural of all-American