"Erreur coûteuse" in French is the translation of English "Costly mistake" (find more translations on these pages: "Costly mistake in Different Languages" and "Costly mistake in French").

Erreur coûteuse pronunciation: If you want to know how to pronounce erreur coûteuse in French (that is, how we say "Costly mistake" in French), you will find the audio pronunciation below.

Please listen to the proper pronunciation and remember how to say it. We hope this will help you to master your French language.

Here is the French pronunciation of the word erreur coûteuse:
French (Canada), female
French (Canada), male
French (France), female
French (France), male