cub ‧ is ‧ m /ˈkjuːbɪz ə m/ BrE AmE noun [uncountable]
[ Date: 1900-2000 ; Language: French ; Origin: cubisme , from cube 'cube' ]
a 20th-century style of art, in which objects and people are represented by ↑ geometric shapes
—cubist adjective :
cubist paintings
—cubist noun [countable]