Fancy dress is a term used to describe clothing that is worn for special occasions, such as parties or COSTUME events. It usually involves wearing something more elaborate than everyday clothing. The two crossword solutions for the term 'fancy dress' are 'COSTUME' and 'GARB'. COSTUME is a seven-letter word that refers to an outfit that is typically worn for a theatrical performance or a special event. GARB is a four-letter word that is used to describe clothing that is worn in a particular style or fashion.