Insufficient or inadequate in amount.
Lacking something essential; often construed with in.
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.
Small or inadequate; not generous; diminutive.
Of a garment, very small, light, or revealing.
A barmaid who wears little clothing.