[ muh s-yur; French muh-syœ ]
/ məsˈyɜr; French məˈsyœ /

noun, plural mes·sieurs [meys-yurz, mes-erz; French me-syœ] /meɪsˈyɜrz, ˈmɛs ərz; French mɛˈsyœ/.

the conventional French title of respect and term of address for a man, corresponding to Mr. or sir.

Origin of monsieur

1490–1500; < French: literally, my lord (orig. applied only to men of high station); see sire Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for monsieur

British Dictionary definitions for monsieur

/ (French məsjø, English məsˈjɜː) /

noun plural messieurs (French mesjø, English ˈmɛsəz)

a French title of address equivalent to sir when used alone or Mr when placed before a name

Word Origin for monsieur

literally: my lord
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