mon·​sieur | \ mə-ˈsyər How to pronounce monsieur (audio) , -ˈsyə, -ˈshyər, -ˈshyə; mə-ˈsir \
plural messieurs\ mə-​ˈsyər(z) How to pronounce messieurs (audio) , -​ˈsyə(z) , -​ˈshyər(z) , -​ˈshyə(z) , mā-​ ; mə-​ˈsir(z) \

Definition of monsieur

: a Frenchman of high rank or station used as a title equivalent to Mister and prefixed to the name of a Frenchman

Examples of monsieur in a Sentence

Recent Examples on the Web After the last debutante is placed on stage, the jeunes messieurs bow to the debutantes and in turn, the young ladies do a group curtsey. Sue Strachan,, "Le Debut des Jeunes Filles de la Nouvelle Orleans kicks off debutante season," 26 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'monsieur.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of monsieur

1512, in the meaning defined above

History and Etymology for monsieur

Middle French, literally, my lord

Keep scrolling for more

Learn More about monsieur

Time Traveler for monsieur

Time Traveler

The first known use of monsieur was in 1512

See more words from the same year

Statistics for monsieur

Cite this Entry

“Monsieur.” The Dictionary, Merriam-Webster Inc., Accessed 18 January 2020.

More from Merriam-Webster on monsieur

Rhyming Dictionary: Words that rhyme with monsieur Encyclopedia article about monsieur

Comments on monsieur

What made you want to look up monsieur? Please tell us where you read or heard it (including the quote, if possible).


experienced by way of someone else

Get Word of the Day daily email!

Test Your Vocabulary

The Eponym Quiz

  • rubens painting
  • Which is the best synonym of bowdlerize?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!