Not existing or occurring through necessity; due to chance or to a free agent; accidentally existing or true; hence, without a known or apparent cause or reason, or caused by something which would not in every case act; dependent upon the will of a human being, or other finite free agent.Dependent upon a foreseen possibility; provisionally liable to exist, happen, or take effect in the future; conditional: as, a contingent remainder after the payment of debts; a journey contingent upon the receipt of advices; a contingent promise.n. An event dependent either upon accident or upon the will of a finite free agent; an event not determinable by any rule.n. That which falls to one in a division or apportionment among a number; a quota; specifically, the share or proportion of troops to be furnished by one of several contracting powers; the share actually furnished: as, the Turkish contingent in the Crimean war.