1. 1. Miss /mis/ a title of respect for an unmarried woman, conventionally prefixed to her name or to the name of that which she represents: Miss Adriana Mc Gregor; Miss Peru . 2. Mistress /'mistrəs / /'mistris/ is an English honorific used for women, usually for those who are married. its original abbreviation is Mrs. / ’misiz / /'misəs / : Mrs. Aaragon . 3. Ms. /məz/ /miz/ a title of respect prefixed to a woman's name or position: unlike Miss or Mrs., it does not depend upon or indicate her marital status. Its plural is Mses. /’mizəz/ 4. Mister /mist ə r/ used as a courtesy title before the surname, full name, or professional title of a man, usually written in its abbreviated form Mr. /mist ə r/ : Mr. Paredes; Mr. Ambassador . Its plural is Messrs. /’mɛsərz/