fancy dress
US /ˌfæn.si ˈdres/
UK /ˌfæn.si ˈdres/

1.
가장, 코스튬
clothes worn for a party where everyone dresses as a particular type of character or thing
:
•
She wore a fairy costume to the fancy dress party.
그녀는 가장 파티에 요정 의상을 입고 갔다.
•
The theme of the party is fancy dress from the 80s.
파티 테마는 80년대 가장이야.