not decisive

uncertain, indefinite

not clear; vague; having no precise limit

ambiguous, vague

not fixed; indefinite

uncertain, vague

not distinct

obscure, ambiguous

waiting to be decided or settled; until

about to happen

not reliable; not certainly knowing or known

doubtful, changeable

not yet having made up one's mind

not sure, not definite

not clear or distinct; slight; (of a person, expression, behaviour) uncertain, especially about details

not definite or clear