Definition of costumer in English:

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Pronunciation: /ˈkästyo͞omər/
Pronunciation: /käsˈtyo͞omər/
(also chiefly British costumier /käsˈt(y)o͞omēər/)


A person or company that makes or supplies theatrical or fancy-dress costumes.
Example sentences
  • The company had an imaginative director and two budding theatrical costumiers who saved the day.
  • ‘We have tried local theatrical costumiers but no one has exactly the right period.’
  • A trip to a theatrical costumier's secured the fancy dress, complete with buckled shoes, breeches and elaborate cuffs and ruff.


Mid 19th century: from French costumier, from costumer 'dress in a costume' (see costume).

For editors and proofreaders

Syllabification: cos·tum·er

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