black-tie

See also: black tie

English

Adjective

black-tie

  1. Moderately formal; usually requiring a dinner jacket (tuxedo) for men.
    There is black-tie dinner at the Castle this evening.
    • 2020 August 26, “Registrations reach 250 for virtual National Rail Awards 2020”, in Rail, page 23:
      The event was originally planned to take place as a black-tie dinner and awards ceremony at the Grosvenor House Hotel in London's Park Lane, as in previous years.

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