1. archenemy - Noun
2. Archenemy - Proper noun
A principal enemy. Specifically, Satan, the grand adversary of mankind.
Source: Webster's dictionaryIn spite of illness, in spite even of the archenemy sorrow, one can remain alive log past the usual date of disintegration if one is unafraid of change, insatiable in intellectual curiosity, interested in big things, and happy in small ways. Edith Wharton
Busyness is the unrivaled archenemy of spiritual authenticity. Bill Hybels
Who, last time I'd checked, was still on our official archenemy list. (Yes, we have to keep a list. It's kind of sad.) James Patterson
If your archenemy tried to kill you, this person would attempt to stop him. Chuck Klosterman
Oh, love is real enough; you will find it someday, but it has one archenemy - and that is life. Jean Anouilh
The archenemy is the arch stupid. Thomas Carlyle