2-dimensional 2-dimensional /tu dɪˈmɛnʃənl/

adjective

1. Lacking the expected range or depth; not designed to give an illusion or depth  ( 2-dimensional , flat , two-dimensional )
   lacking the expected range or depth; not designed to give an illusion or depth
    A film with two-dimensional characters
   a film with two-dimensional characters
    A flat two-dimensional painting
   a flat two-dimensional painting