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).
A person or thing that is to be deplored.
A Trumpist conservative, in reference to a 2016 speech by Hillary Clinton calling half of Donald Trump's supporters a "basket of deplorables".
Deserving strong condemnation; shockingly bad, wretched.
To be felt sorrow for; worthy of compassion; lamentable.