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 sophistication.
Characterising people who are unconcerned with worldly matters; spiritually minded.
Not belonging to this world; celestial.
Exceeding what is typically found in the world; exceptional, transcendent.