Dutchly adjective 1adverb 1forms 2 adjective1 •Characteristic of the Dutch people, language, culture, or nation; Dutchlike; Netherlandish.Well, — that quiet, staid, Dutchly, phlegmatic little town went fairly wild at the sight of the slender, fair-haired boy. — 1905 adverb1 •In a Dutchlike manner.The Dutch are very Dutchly open about vice and prostitution. The girls stand in windows; gangs of hair-gelled, shirttailed English boys full of Dutch courage and wind window-shop. — 2008 formsmore Dutchly · most Dutchly