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 or devoid of something.
Bare, not covered by clothing.
Without any additives, or without some component that would usually be included.
Unprotected, uncovered; (by extension) without a condom.
Where the writer (seller) does not own the underlying asset to cover the contract.
Resourceless, poor, lacking means.
Glib, without decoration, put bluntly.
Unaided, unaccompanied.
Barren, having no foliage, unvegetated.
Characterized by the nakedness of the people concerned or to whom the described noun is attributed.
Uncomfortable or vulnerable, as if missing something important.
Of a singularity, not hidden within an event horizon and thus observable from other parts of spacetime.