lounge suit

American  

noun

Chiefly British.

1. a man's suit appropriate for informal occasions.

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lounge suit British  

noun

1. the customary suit of matching jacket and trousers worn by men for the normal business day

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Etymology

Origin of lounge suit

First recorded in 1900–05

Example Sentences

More likely, he is fresh-faced, wears a lounge suit with a Charvet tie and is by his employers’ side whether they are at home or not.

From Seattle Times

“The recommendation was that we wear either a morning suit or a lounge suit with decorations,” he said.

From New York Times

By now he was "quietly dressed" in a dark lounge suit and a fawn-coloured overcoat, and could have been a commercial traveller arriving ahead of business on Monday.

From BBC

Men are required to wear lounge suits, or jackets, or blazers with trousers, together with a tie or a cravat.

From BBC

The one exception was a recent 20-year university reunion which required all of the men to dress in “lounge suits”.

From The Guardian