Indeterminate
Part of speech: adjective
Definition: not accurately determined or determinable imprecise or vague
Uncertain
Part of speech: adjective
Definition: not known for certain; questionablenot yet determined; undecidedvariable and subject to changefitful or unsteadyunpredictable or capricious
Example sentence: To be a good human being is to have a kind of openness to the world, the ability to trust uncertain things beyond your own control that can lead you to be shattered.