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coûteux

costly, expensive

adjective koo-TUH Rare
Descriptions & Qualities Values

Usage Note

Coûteux is a more formal synonym of cher (expensive), often preferred in written or professional contexts: une opération coûteuse ('a costly operation'). The feminine form is coûteuse. Note the circumflex on the û, which is also found in the verb coûter ('to cost').

Examples

"Ce traitement médical est très coûteux."

Natural Translation

This medical treatment is very costly.

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