adjectives
possible but not certain to occur
"they had to plan for contingent expenses"
is similar to
capable of happening or existing
"a breakthrough may be possible next year"; "anything is possible"; "warned of possible consequences"
determined by conditions or circumstances that follow
"arms sales contingent on the approval of congress"
uncertain because of uncontrollable circumstances
"the results of confession were not contingent, they were certain"- George Eliot
is similar to
not certain to occur; not inevitable
"everything is uncertain about the army"; "the issue is uncertain"