showerful adjective 1noun 1forms 4 adjective1 •Full of showers; rainy, teary, etc.The last tall son of Lot and Bellicent, And tallest, Gareth, in a showerful spring Stared at the spate. — 1872 noun1 •A quantity that falls in a shower.After the first showerful of earth was flung in over the victims, the infant Patsy stirred his feeble hand slightly. — 1980 formsshowerfuls · showersful · more showerful · most showerful