(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.

Ever.

plural of lack-all

suited to various types of terrain

(of food, drink, etc.) Consisting wholly of natural ingredients

(academics) A status of a master's degree, doctoral, or (infrequently) undergraduate student who has completed all degree requirements except the culminating thesis.

Having a transmission that drives all wheels, particularly where power is directed to the wheels with the best contact with the ground.

Dated form of once and for all.

(Britain) Synonym of and so forth