The AI-powered English dictionary
comparative more deficient, superlative most deficient
Lacking something essential; often construed with in. examples
Insufficient or inadequate in amount. examples
(mathematics) Of a number n, Having the sum of divisors σ(n)<2n, or, equivalently, the sum of proper divisors (or aliquot sum) s(n)<n. examples
plural deficients
A person who is deficient. quotations examples
This was justified by the rationale that mental deficients, by definition, are not able to succeed in society.
2004, Steven Noll, James Trent, Mental Retardation in America: A Historical Reader, page 316