[ bil-ey-doo, bil-ee-; French bee-yey-doo ]
/ ˈbɪl eɪˈdu, ˈbɪl i-; French bi yeɪˈdu /
Save This Word!

noun, plural bil·lets-doux [bil-ey-dooz, bil-ee-; French bee-yey-doo]. /ˈbɪl eɪˈduz, ˈbɪl i-; French bi yeɪˈdu/.
a love letter.
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Origin of billet-doux

1665–75; <French: literally, sweet note. See billet1, douce

Words nearby billet-doux

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use billet-doux in a sentence

British Dictionary definitions for billet-doux

/ (ˌbɪlɪˈduː, French bijɛdu) /

noun plural billets-doux (ˌbɪlɪˈduːz, French bijɛdu)
old-fashioned, or jocular a love letter

Word Origin for billet-doux

C17: from French, literally: a sweet letter, from billet (see billet 1) + doux sweet, from Latin dulcis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012