floury /ˈflaʊəɹi/ adjective3 •Resembling flour.These mashed potatoes have a floury texture. •High in starch; tending to break down easily when cooked.Boil four large floury potatoes till they are thoroughly done; peel them and mash them smooth with the back of a spoon — 1872 •Covered in flour.The baker wiped his floury hands on his apron. formsflourier · flouriest