костюм

костюм

Suit or costume.

Here, 'костюм' refers to a formal suit usually worn for special occasions.

На вечеринку он надел элегантный костюм.

He wore an elegant suit to the party.

In this example, 'костюм' refers to a themed outfit or disguise typically worn for events like Halloween.

На Хэллоуин она выбрала костюм ведьмы.

For Halloween, she chose a witch costume.

Here, 'костюм' refers to clothing designed to depict a specific period or style for theatrical performances.

В театре актеры были одеты в исторические костюмы.

In the theater, actors were dressed in historical costumes.