British term for a standard man's business or formal suit — the kind with matching jacket and trousers worn to weddings, job interviews, and anywhere the dress code reads 'smart'. The 'lounge' part harks back to when a lounge suit was the informal alternative to white tie or morning dress, but over the decades it became the default formal outfit for most occasions. Still seen on wedding invitations instructing guests on appropriate attire, it carries a very particular flavour of British social formality.
The invite said lounge suit, so he dug out his navy two-piece from the back of the wardrobe.
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(British) A man’s suit.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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