idiosyncratic idiosyncratic /ˌɪdiːoʊˌsɪnˈkrætɪk/

adjective

1. () Peculiar to the individual  ( idiosyncratic )
   peculiar to the individual
    We all have our own idiosyncratic gestures
   we all have our own idiosyncratic gestures
    Michelangelo's highly idiosyncratic style of painting
   Michelangelo's highly idiosyncratic style of painting