billet doux

1. 1.

   a personal letter to a loved one expressing affection

   Synonymslove letter

   Broaderpersonal letter

Questions about billet doux

What does billet doux mean?

billet doux means "a personal letter to a loved one expressing affection".

What is another word for billet doux?

Close synonyms include love letter. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is billet doux a common word?

billet doux is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.