Wiktionary
a. (attributive of fancy dress lang=en nodot=1), ''noun''.
Usage examples of "fancy-dress".
Elaine stood in the ball-room surrounded by a laughing jostling throng of pierrots, jockeys, Dresden-china shepherdesses, Roumanian peasant-girls and all the lively make-believe creatures that form the ingredients of a fancy-dress ball.
I attributed this at first to the effects of the James Orlebar Cloyster bomb-shell, but discovered that it was in reality due to the fact that Eva was going out to a fancy-dress ball that night.
One of those fancy-dress flunkeys brought tea and sandwiches on a silver tray.
Mr Ireton Todd is a good host, and has tracked him here, without even waiting to take off his fancy-dress.
In fact he would certainly have done so, had not Ruby unearthed some old pantomime paste jewels she had worn at a fancy-dress party as the Queen of Diamonds.