adverb, adjective French.
(especially of diplomatic messages) in ordinary language; not written or sent in code or cipher.
Origin of en clair
literally, in clear
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
in ordinary language; not in cipher
Word Origin for en clair
literally: in clear
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