Definitions
1.NounAn event which may or may not happen; that which is unforeseen, undetermined, or dependent on something in the future.
2.NounThat which falls to one in a division or apportionment among a number; a suitable share.
3.NounA quota of troops.
4.AdjectivePossible or liable, but not certain, to occur.
5.AdjectiveDependent on something that is undetermined or unknown, that may or may not occur."The success of his undertaking is contingent upon events which he cannot control.; a contingent estate"
6.AdjectiveNot logically necessarily true or false.
7.AdjectiveTemporary."contingent labor; contingent worker"