Reverse Dictionary: CLASS

ADJECTIVES
..20C — PUCKER of the highest class, best, excellent → sl.

NOUNS
1585 — RANK a class, set, kind of persons or things → obs.
1607 — LAG the lowest class → obs.
1843 — THE UPPER CRUST the upper classes → sl.
..20C — TIP-TOP the highest social class → colloq., chiefly Brit.

NOUNS, PERSON
1860 — MUDSILL a person of the lowest possible social class → US Civil War usage
..20C — PIKEY a member of the underclass → Brit. sl., derogatory
1970 — GIN AND JAGUAR BIRD a wealthy (usually married) woman from the upper-class districts, and in some senses likely to be ‘racy’ or sexual accommodating → sl.
1975 — SLOANE RANGER a fashionable and conventional upper-middle-class young person (usually female), esp. living in London → Brit. sl..
1982 — SLOANIE a fashionable and conventional upper-middle-class young person (usually female), esp. living in London → Brit. sl.

PHRASES
1865 — NO BOTTLE (AND GLASS) lacking quality or style, no class → rhyming sl.
1991 — IN THE TOP FLIGHT in the highest class 

VERBS
1662 — ORDER to class, to rank → obs.