Stark

Adjective

1. (obsolete) Hard, firm; obdurate.
2. Severe; violent; fierce (now usually in describing the weather).
3. (archaic) Strong; vigorous; powerful.
4. Stiff, rigid.
5. Hard in appearance; barren, desolate.
6. Complete, absolute, full.

Adverb

1. starkly; entirely, absolutely

Usage notes

In standard modern English, the adverb is essentially restricted to stark naked and phrases meaning "crazy" on the pattern of stark raving mad.