dressydressy /ˈdresi/ adjective 
► dressy
► dressy dressy clothes are suitable for special occasions, such as parties or a dinner at a restaurant, when you want to look very nice: She bought some dressy sandals to go with her new silk dress. A suit is too dressy for an outdoor party.
► formal formal clothes are worn at events such as weddings or dances, for example tuxedos for men and nice long dresses for women: The girls were looking at formal gowns that they can wear to the prom.
ANTONYMS ➔ see casual ➔ see Describing ClothesADVERBS: dressyYou can make the adjective formal into an adverb by using an -ly ending: Students who attend the dance should dress formally.