Definition of formal dress in English:

formal dress

noun

mass noun
  • Clothing suitable for an official or important occasion.

    ‘two groups of men in full formal dress’
    • ‘We see him seated, in formal dress, with a top hat in his hand.’
    • ‘Formal dress and frilly frocks would not be necessary for the film festival.’
    • ‘As a regular at my church, formal dress was the norm for me.’
    • ‘She became acutely aware of the formal dress within the hall, and here she was in a pair of faded and torn jeans.’
    • ‘Chamber music has long had an austere image of performers with furrowed brows and formal dress, but members of the Hebrides Ensemble hope to change all that as they embarks on their Heritage tour.’
    • ‘Everyone looked so well and the formal dress made this special occasion a night to remember.’
    • ‘The children donned formal dress for the first time last week to promote this year's upcoming ball.’
    • ‘The university told male students they must only wear formal dress of a black morning suit and white bow tie.’
    • ‘Although some ex-servicemen still wear formal dress at breakfast, others aren't so punctilious.’
    • ‘School entrance ceremonies and graduations are attended by parents in formal dress.’