costume
I soon realized that they were real police officers and not actors in costume.
I did the audition in costume, carrying a bow and arrow.
Their son had cooked them a surprise four-course dinner and served them in waiter costume.
SMART Vocabulary: related words and phrases Ceremonial clothes & objects
badged
badging
bridal gown
busby
cockade
coronet
crown jewels
kittel
mace
mitre
orb
plume
regalia
robe
skean dhu
stole
surplice
tiara
vestments
wedding dress
You can also find related words, phrases, and synonyms in the topics:
Custom, tradition & conformity
Cinema & theatre: parts of plays, shows & films
Objects & decorations connected with celebrations