• synonyms


[mil-yoo, meel-; French mee-lyœ]
noun, plural mi·lieus, French mi·lieux [mee-lyœ] /miˈlyœ/.
  1. surroundings, especially of a social or cultural nature: a snobbish milieu.
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Origin of milieu

1795–1805; < French, equivalent to mi (< Latin medius middle; see medium) + lieu lieu


Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


British Dictionary definitions for milieux


noun plural -lieux (-ljɜː, -ljɜːz, French -ljø) or -lieus
  1. surroundings, location, or setting
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Word Origin

C19: from French, from mi- mid 1 + lieu place
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

Word Origin and History for milieux



"surroundings," 1877, from French milieu, "middle, medium, mean," literally "middle place" (12c.), from mi "middle" (from Latin medius; see medial (adj.)) + lieu "place" (see lieu).

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Online Etymology Dictionary, © 2010 Douglas Harper

milieux in Medicine


(mĭl-yu, mēl-yœ)
n. pl. mi•lieus
  1. The totality of one's surroundings; an environment.
  2. The social setting of a mental patient.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.