archenemy

[ ahrch-en-uh-mee ]

/ ˈɑrtʃˈɛn ə mi /

a chief enemy.

Satan; the Devil.

Origin of archenemy

First recorded in 1540–50; arch-¹ + enemy

He now reveals that Rich kept Israel alive through boycotts by supplying the country with oil, much of it from its archenemy Iran.

Marc Rich Spills His Secrets |Allan Dodds Frank |November 13, 2009 |DAILY BEAST
But he was not prepared for the skilful trap which his archenemy was baiting for him, and into which he was to promptly fall.

The Night Riders |Ridgwell Cullum
Leithgow vouchsafed his archenemy no more than a look, but turned to the Hawk.

The Passing of Ku Sui |Anthony Gilmore
And our archenemy dangling by the foot in mid-air, completely at our mercy!

David and the Phoenix |Edward Ormondroyd

Thus does that archenemy favour his friends for a time, and thus does he at last reward them.

The Itinerary of Archbishop Baldwin through Wales |Giraldus Cambrensis
The archenemy and his angels are thus left upon an earth devoid of human beings.

Our Day |W. A. Spicer

archenemy

/ (ˈɑːtʃˈɛnɪmɪ) /

a chief enemy

the archenemy (often capital) the devil