Unclothed.

A decorative rhinestone-covered suit of the kind made by Nudie Cohn (Nuta Kotlyarenko; 1902–1984), Ukrainian-born American tailor.

(archaic, thieves' cant) A scam designed to evoke sympathy in order to acquire money.

A suit of dittoes.

(archaic) a suit consisting of matching trousers, coat, and waistcoat

(law, historical) A service which is owed from time immemorial.

(slang) A waterproof overgarment worn by aircrew when flying over cold waters, which prevents hypothermia following ejection from the aircraft.

(UK, military, informal) A kind of NBC suit with a pointed hood.

(military) A protective suit used in the military to avoid contact with and contamination by radioactive, biological or chemical substances.

(aviation, astronautics) A sealed, full-body garment, usually with an attachable helmet, which maintains air pressure or mechanical pressure around the body of an astronaut or aviator to compensate for the low density of the air at high altitudes.