The French translation for Vain is Vain. It is classified as a B2 word, and is the 2971st most commonly used word in French. It can be used as adjective. You can find example sentences below to provide context, and you can also listen to the word’s pronunciation. Download our app to practice this and the other 3000 most common French words with over 60000 example sentences, pronunciations, and various practice types.