broadside /ˈbrɔːdsaɪd/noun 6adverb 1verb 1forms 3 noun6 •One side of a ship above the waterline. •The simultaneous firing of these guns.Broadside! What fools to face our guns! — 2007 •A forceful attack, whether written or spoken.Fernández's diplomatic broadside follows the British government's decision last month to name a large frozen chunk of Antarctica after the Queen – a gesture viewed in Buenos Aires as provocative. — 2013 •A large sheet of paper, printed on one side and folded. •The printed lyrics of a folk song or ballad; a broadsheet. •All the guns on one side of a warship. adverb1 •Sideways; with the side turned to the direction of some object.[...] the slight fluctuations [in speed] were due to a strong side-wind, which caught the train broadside along exposed stretches of the line. — 1964 verb1 •To collide with something side-on. formsbroadsided · broadsiding · broadsides