simple past tense and past participle of class

(computing, Internet) Of or relating to a network-addressing architecture that divides the address space into a number of classes.

An amount that fills a class.

(especially in combination) The condition of being a member of a (specified) class

rank or level in society, ranked from high (rich professional people) to low (ordinary people)

A high-quality class of travelling (especially in airlines), higher than economy class or budget, lower than first class.

plural of class break

(computing) A security breach that is the first of its kind, and leads to others of the same class

plural of working class

plural of middle class