Lacking something essential; often construed with in.
Insufficient or inadequate in amount.
Of a number n, Having the sum of divisors σ(n)<2n, or, equivalently, the sum of proper divisors (or aliquot sum) s(n).
A person who is deficient.
Lacking depth or substance; insubstantial, thoughtless, vague.
Of a thing: covered or hidden by vapour, fog, or mist.
Of a place: filled with vapour; foggy, misty.
Breathing out or giving off vapour.
Of or relating to vapour; also, having the characteristics or consistency of vapour.
Of clothes or fabric: thin and translucent; filmy, gauzy.