Adieu and So long

Adieu noun - A farewell remark.

So long is a synonym for adieu in exclamation topic. In some cases you can use "So long" instead the word "Adieu" as a noun or a interjection, when it comes to topics like parting remark or action. popular alternative

So long noun - A farewell remark.

Adieu is a synonym for so long in exclamation topic. You can use "Adieu" instead the phrase "So long" as a noun or a interjection, if it concerns topics such as departure, goodbye, farewell statement.