A system of protective and pressurized clothing, together with environmental equipment, worn by astronauts when in space. / A pressurized protective outfit worn by people working with extreme biohazards.

(informal) A tuxedo. / (historical) A kind of spacesuit worn by Soviet cosmonauts.

(derogatory) A person in a position of authority who is ineffective or incompetent.

plural of penguin suit

Formal daywear consisting of a (usually) gray tailcoat and matching trousers, grey top hat, white shirt and tie or cravat. Morning dress can be worn up to 5:00 pm.

Alternative spelling of diving suit

A garment or apparatus worn by a diver for protection from the underwater environment. / (slang) A condom.

(Britain) A man’s suit.

plural of empty suit

(law) An award granted by a court requiring on party to pay a portion of the costs associated with a lawsuit for another party.