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.
Having great diversity or variety; of various kinds; made up of many differing parts; manifold.
In which a party or a cause of action has been improperly or wrongfully joined together in the same suit, as in a misjoinder, perhaps as a result of a joinder of unrelated, distinct, independent parties or matters.