Real Dictionary

futurism
uncountable noun: Futurism was a modern artistic and literary movement in the early twentieth century.

futurism in American English
a movement in the arts, originated by Italian painters shortly before WWI: they opposed traditionalism and sought to depict dynamic movement by eliminating conventional form and by stressing the speed, flux, and violence of the machine age
noun: a style of the fine arts developed originally by a group of Italian artists about 1910 in which forms derived chiefly from cubism were used to represent rapid movement and dynamic motion

futurism in British English
noun: an artistic movement that arose in Italy in 1909 to replace traditional aesthetic values with the characteristics of the machine age