Pronunciation: (mē'lē),[key] —adj.,meal•i•er, meal•i•est. 1. having the qualities of meal; powdery; soft, dry, and crumbly: mealy potatoes; a mealy stone. 2. of or containing meal; farinaceous: baked fish with a mealy crust. 3. covered with or as if with meal or powder: flowers mealy with their pollen. 4. flecked as if with meal; spotty: horses with mealy hides. 5. pale; sallow: a mealy complexion. 6. mealy-mouthed.