Monsieur definition

mə-syœ
Frequency:
French title, equivalent to Mr. or Sir.
noun
2
0
Used as a courtesy title before the surname, full name, or professional title of a man in a French-speaking area.

Monsieur Cartier; Monsieur Jacques Cartier.

noun
0
1
Used as a form of polite address for a man in a French-speaking area.
noun
0
1
A man; gentleman.
noun
0
1
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Other Word Forms

Noun

Singular:
monsieur
Plural:
monsieurs

Origin of monsieur

  • French from Old French mon my (from Latin meum) (accusative of meus me-1 in Indo-European roots) sieur lord, sir (from Vulgar Latin seiorem) (accusative of *seior sire)

    From American Heritage Dictionary of the English Language, 5th Edition