An example of Greek is someone born and still living on the island Crete.
An example of Greek is the language spoken by those living in Athens, Greece.
Quantum mechanics is Greek to me.
- To be incomprehensible or unintelligible to someone.
Idioms and Phrasal Verbs
Origin of greek
- Middle English Grek from Old English Grēcas the Greeks from Latin Graecus Greek from Greek Graikos ethnic designation of a Boeotian tribe that settled in Italy
From American Heritage Dictionary of the English Language, 5th Edition