Webster's Revised Unabridged Dictionary · 1913

Warlock

Warlock , noun

[Old English warloghe a deceiver, a name or the Devil, Anglo-Saxon w{not transcribed}rloga a belier or breaker of his agreement, word, or pledge; w{not transcribed}r covenant, troth (aki{not transcribed} to Latin verus true; see Very) + loga a liar (in comp.), leógan to lie. See 3d Lie.]

A male witch; a wizard; a sprite; an imp. — Dryden
It was Eyvind Kallda's crew Of warlocks blue, With their caps of darkness hooded! — Longfellow

Warlock , adjective

Of or pertaining to a warlock or warlock; impish. [Rare]
Thou shalt win the warlock fight. — J. R. Drak{not transcribed}