Main entry: planar, two-dimensional
Definition: involving two dimensions
Antonyms: linear, one-dimensional
Definition: of or in or along or relating to a line; involving a single dimension
Antonyms: three-dimensional, cubic
Definition: having three dimensions
Antonyms: contrasty
Definition: having sharp differences between black and white
Antonyms: natural
Definition: (of a musical note) being neither raised nor lowered by one chromatic semitone
Antonyms: sharp
Definition: (of a musical note) raised in pitch by one chromatic semitone
Main entry: two-dimensional, flat, 2-dimensional
Definition: lacking the expected range or depth; not designed to give an illusion or depth
Usage: a film with two-dimensional characters; a flat two-dimensional painting
Antonyms: unidimensional, one-dimensional
Definition: relating to a single dimension or aspect; having no depth or scope