( a. )
Dependent on that which is undetermined or unknown; as, the success of his undertaking is contingent upon events which he can not control.
( a. )
Dependent on that which is undetermined or unknown; as, the success of his undertaking is contingent upon events which he can not control.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012