"Indulging your taste for fancy dress," he went on with faint irony.
"Vera, you're almost in fancy dress," said Felicity, as she arrived.
Then who is it in the fancy dress, with slouch 'ats an' feathers on?
You will have to have a fancy dress, hire it, I suppose, since the time is so short.
And all these people had a veritable mania for declamation and fancy dress.