pa·ri·sian·ism \-ˌnizəm\noun (-s) Usage: usually capitalized Etymology: French parisianisme, from parisien + -isme -ism 1.: the traits of a Parisian < his Parisianism, grafted upon an imperishable brogue, gave to his utterance a very curious charm — Max Beerbohm > 2.: a habit or mannerism (as of speech) observable especially in Parisians