n. The condition or quality of being formal; specifically, rigid or undue observance of forms or established rules, as in style, conduct, or procedure; especially, the sacrifice of substance or spirit to form; conventionality.n. The result of exclusive attention to the rules of art, without life or spontaneity.n. An established order; a rule of proceeding; a formal mode or method: as, the formalities of judicial process; formalities of law.n. Validity; binding force.n. Customary behavior or dress, or customary ceremony; ceremonial.n. In philosophy, external appearance; formal part.n. In the philosophy of Duns Scotus, a formal element of being; a quidditative ens, or anything belonging thereto except an intrinsic mode.n. The character of the formal in the Kantian sense: universality and necessity.