Uncertain
Part of speech: adjective
Definition: not known for certain; questionable not yet determined; undecided variable and subject to change fitful or unsteady unpredictable or capricious
Example sentence: We always live in an uncertain world. What is certain is that the United States will go forward over time.
Ambivalent
Part of speech: adjective
Definition: Simultaneously experiencing or expressing opposing or contradictory feelings, beliefs, or motivations.Alternately having one opinion or feeling, and then the opposite.
Example sentence: When we talk about communities, we seldom discuss the margins. But for every person nestled comfortably in the bosom of a community, there is someone else on the outskirts, feeling ambivalent. Ambiguous. Excluded. Unwilling or unable to come more fully into the fold.