proceleusmatic adjective 2noun 1forms 3 adjective2 •Consisting of four short syllables; composed of metrical feet of four short syllables each. •Inciting; animating; encouraging.The ancient proceleusmatic song , by which the rowers of gallies were animated , may be supposed to have been of this kind — 1775 noun1 •A metrical foot consisting of four short syllables. formsproceleusmatics · more proceleusmatic · most proceleusmatic