A person who is deficient.
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 weak or sentimental person.
A soft toy.
A flaccid state of the penis.
A soft drink containing no alcohol.
A software expert who is ignorant of the workings of hardware.
Somebody who finds it difficult to scold or punish.