im·a·gism also Im·a·gism 
(ĭmə-jĭz′əm)
(ĭmə-jĭz′əm)n.
A literary movement launched by British and American poets in the early 1900s that advocated the use of free verse, common speech patterns, and clear concrete images as a reaction to Victorian sentimentalism.
ima·gist n.
im′a·gistic adj.
im′a·gisti·cal·ly adv.