mademoiselle

UK: English: /ˌmædmwəˈzɛl/, French: /madmwazɛl/

US: /ˌmædəməˈzɛl, ˌmædmwə-/

US: (mad′ə mə zel′, mad′mwə-, mam zel′; Fr. mad mwa zel′)

Inflections of 'mademoiselle' (n):

mademoiselles

npl

mesdemoiselles

npl

WordReference Random House Learner's Dictionary of American English © 2025

mad•e•moi•selle /ˌmædəməˈzɛl, ˌmædmwə-/   n. [countable] , pl. mad•e•moi•selles, mes•de•moi•selles 

/ˌmeɪdəməˈzɛl, -ˈzɛlz, ˌmeɪdmwə-/.  
1. [often: Mademoiselle] a French title equivalent to Miss. Abbr.: Mlle.

WordReference Random House Unabridged Dictionary of American English © 2025

mad•e•moi•selle  (mad′ə mə zel′, mad′mwə-, mam zel′; Fr. mad mwa zel′), n., pl. mad•e•moi•selles(mad′ə mə zelz′, mad′mwə-, mam zelz′), mes•de•moi•selles 

(mā′də mə zel′, mād′mwə zel′; Fr. mād mwa zel′). 
1. (often cap.) a French title of respect equivalent to "Miss'', used in speaking to or of a girl or unmarried woman:
   Mademoiselle Lafitte. Abbr.:
   Mlle.
2. a French governess.
3. See silver perch (def. 1).

• French; Old French ma damoisele my noble young lady; see madame, damsel
• 1635–45

Collins Concise English Dictionary © HarperCollins Publishers::

mademoiselle / ˌmædmwəˈzɛl madmwazɛl/ noun ( mesdemoiselles / ˌmeɪdmwəˈzɛl medmwazɛl/)

1. a young unmarried French girl or woman: usually used as a title equivalent to Miss
2. a French teacher or governess

Etymology: 15th Century: French, from ma my + demoiselle damsel