Definition of Warlock from the coursebook, 601 Words You Need to Know to Pass Your Exam for GRE & SAT candidates with synonyms and illustrations
/ˈwɔ:lɒk/ (noun)
Definition
sorcerer, magician, thaumaturgist, thaumaturge, wizard, male witch, charmer, conjurer, a man practicing witchcraft, magus, enchanter
Example
The most commonly accepted etymology derives warlock from the Old English ƿǣrloga, which meant “breaker of oaths” or “deceiver“.
Source of example: https://en.wikipedia.org/