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).
An unregenerate person.
A person who sins or has sinned by the action or identity indicated or previously mentioned
A person with negative qualities; one who does bad things.
A person who sins or has sinned.