nebulous; cloudy
Of a place: filled with vapour; foggy, misty.
Of a thing: covered or hidden by vapour, fog, or mist.
Breathing out or giving off vapour.
Of or relating to vapour; also, having the characteristics or consistency of vapour.
Lacking depth or substance; insubstantial, thoughtless, vague.
Of clothes or fabric: thin and translucent; filmy, gauzy.