A costume worn as a disguise at a masquerade party.

synonyms: masquerade, masquerade costume.

Roget 882: ostentation, display, show, flourish, parade, etalage [Fr.], pomp, array, state, solemnity; dash, splash, splurge, glitter, strut, pomposity; pretense, pretensions; showing off; fuss.    magnificence, splendor; coup d'oeil [Fr.]; grand doings.    coup de theatre; stage effect, stage trick; claptrap; mise en scene [Fr.]; tour de force; chic.    demonstration, flying colors; tomfoolery; flourish of trumpets etc. (celebration) 883; pageant, pageantry; spectacle, exhibition, exposition, procession; turn out, set out; grand function; f=ete, gala, field day, review, march past, promenade, insubstantial pageant.    dress; court dress, full dress, evening dress, ball dress, fancy dress; tailoring, millinery, man millinery, frippery, foppery, equipage.    ceremony, ceremonial; ritual; form, formality; etiquette; puncto [Lat.], punctilio, punctiliousness; starched stateliness, stateliness.    mummery, solemn mockery, mouth honor.    attitudinarian^†; fop etc. 854.    ... show more