gra·nit·ic \(ˈ)gra|nid.]ik, grəˈn-, -it], ]ēk\adjective 1.: of or belonging to granite; specifically: having a holocrystalline-allotriomorphic texture 2.: resembling granite in hardness < a granitic fist > or in austere inflexibility < a granitic and Puritanic personality > < a granitic morality >