The plural form of adieu is adieux or adieus.

Is adieu an English word?

adieu Add to list Share. Adieu is a French word meaning "goodbye" that is commonly used in English, especially in the phrase "I bid you adieu!"

Is bid adieu correct?

Today, the phrase bid adieu is used either formally to say goodbye or as a light-hearted and flippant way or describing cutting something out of one's life. To say, “I bid you adieu” is more formal than saying “goodbye” and rarely used as a direct replacement.