full dress

US: (fŏŏl′dres′)

WordReference Random House Learner's Dictionary of American English © 2025

ˈfull ˈdress, n. [uncountable]

1. Clothing attire customarily worn for formal or ceremonial occasions.

WordReference Random House Unabridged Dictionary of American English © 2025

full′ dress′, 

1. Clothing the formal attire customarily worn in the evening, usually consisting of black tailcoats and white bow ties for men, and floor-length dresses for women.
2. Clothing a ceremonial style of dress.
• 1755–65

full-dress  (fŏŏl′dres′), adj. 

1. Clothing formal and complete in all details:
   a full-dress uniform.
2. done or presented completely or thoroughly.

• 1755–65

Collins Concise English Dictionary © HarperCollins Publishers::

full dress noun

1. a formal or ceremonial style of dress, such as white tie and tails for a man and a full-length evening dress for a woman
2. (as modifier): full-dress uniform