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Definition of monsieur

monsieur

/məsˈjɜːr/
mon · sieur
Plural:messieurs
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monsieur Lexical Profile

monsieur Game Scores & Validity

• noun

1

A title or polite form of address used for a French-speaking man, corresponding to the English 'Mr.' or 'sir'.

Example

"The concierge greeted the guest warmly, asking if monsieur needed assistance with his luggage."

Synonyms
View all synonyms for monsieur
Antonyms
View all antonyms for monsieur

Word Nuance & Usage

Unlike English 'Mr.', 'monsieur' can be used either before a surname as a title or completely on its own as a polite direct form of address (equivalent to 'sir'). Its plural form is 'messieurs', abbreviated as 'MM.' or 'Messrs.'

• Rhymes for monsieur

• Nearby Words

monounsaturated
monoxide
monrovia
monsieur
monsignor
monsonia
monsoon

Word Origin & Etymology

Borrowed from Middle French 'monsieur', a contraction of 'mon' (my) and 'sieur' (lord), which itself is a shortened form of 'seigneur', from Latin 'senior' (older, elder).

Cite this Entry

Wordmom. (2026). Definition of Monsieur. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/monsieur
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