vague

ambiguous dubious equivocal faint fuzzy hazy imprecise lax nebulous obscure uncertain unclear unsure

amorphous amphibological bewildering bleary blurred cloudy dark dim doubtful dreamlike enigmatic generalized ill-defined impalpable indefinite indeterminate indistinct inexplicable loose misunderstood muddy perplexing problematic puzzling questionable shadowy superficial tenebrous undetermined unexplicit unintelligible unknown unsettled unspecified

apparent certain clear definite determined distinct explicit obvious plain secure sure