deficient
/dɪˈfɪʃənt/ adjective C2- Lacking something essential; often construed with in. · They were deficient in social skills.· His voice is beautiful but deficient in power.
- 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) < n.
From the library
Soon afterwards, observing that he was an animal altogether deficient in spirit, he assumed such boldness as to put a bridle in his mouth, and to let a child drive him.
But Josie Pye, if deficient in some qualities that make for popularity, had at least a natural and inborn gift, duly cultivated, for walking board fences.
All we require to insure success is courage, and that you possess, and strength, which I am not deficient in; as for patience, you have abundantly proved yours—you shall now see me prove mine.”
They were, in fact, very fine ladies; not deficient in good-humour when they were pleased, nor in the power of being agreeable where they chose it; but proud and conceited.
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