1. noun /kən.ˈtɪn.dʒənt/
a) An event which may or may not happen; that which is unforeseen, undetermined, or dependent on something future; a contingency.
b) That which falls to one in a division or apportionment among a number; a suitable share; proportion;
2. adjective /kən.ˈtɪn.dʒənt/
The success of his undertaking is contingent upon events which he can not control.
a contingent estate
Wikipedia foundation.