An avowed enemy.    From Wordnet, Princeton University. 

Adjective : an avowed enemy.    From Dictionary.com. 

Verb (used with object) : He avowed himself an opponent of all alliances.    From Dictionary.com. 

“Actually, I’ve been known to be witty for a full ten minutes,” Gawain avowed with a lift of his eyebrows.    From Wordnik.com.  [DIALOGUE • by Resha Caner] Reference

Obama is not an "avowed" Marxist and I'll bet next month's rent that you cannot define Marxism.    From Wordnik.com.  [How a capital gains tax break could get cash to startups] Reference

Both consecrated and married life are "avowed" forms of vocation: they are constituted by specific promises.    From Wordnik.com.  [Archive 2005-08-01] Reference

I have at least sufficient intelligence to recall the avowed object of their crime, -- the restoration of the Delgrado line. ".    From Wordnik.com.  [A Son of the Immortals] Reference

Nonetheless, is the avowed enemy of all businessmen.    From Wordnik.com.  [David Serchuk: Smackdown! Obama vs. Hitler!] Reference

Schlosser's avowed aim is to strengthen the backlash.    From Wordnik.com.  [Hold The French Fries] Reference

His avowed goal was to "drain the swamp" of Washington.    From Wordnik.com.  [Living Politics: How We've Changed] Reference

They hardly ever listen to these self-avowed liberal journalists.    From Wordnik.com.  [Cenk Uygur: "The List" of Journolist Participants is Fake] Reference

How to explain Mr. Sha's avowed distaste for Americans as a people?.    From Wordnik.com.  [I Never Liked You, Either] Reference

In his youth, he had been an avowed Zionist and had lived in Israel.    From Wordnik.com.  [Tony Judt, scholar of European history, dies at 62] Reference

Let us be assured that Truth will not suffer by being avowed and defended.    From Wordnik.com.  [Love's Final Victory] Reference

Even Andrew Keen, avowed foe of citizen journalism, has a blog and a podcast.    From Wordnik.com.  [Invasion of the Web Amateurs] Reference

Critics and avowed foes will be watching for the first sign of moral turpitude.    From Wordnik.com.  [Zuma Favored To Be South Africa's Next President] Reference

Mike D. of the Beastie Boys is an avid golfer and avowed devotee of links fashion.    From Wordnik.com.  [New Sultans Of Swing] Reference

"I am the premiere framer in the world," says Mr. Wilner, an avowed perfectionist.    From Wordnik.com.  [Famed Framer Forges Into a Digital Future] Reference

Matt Dowd, the self-avowed pessimist, had avoided the last debate; he was just too nervous.    From Wordnik.com.  [DOWN TO THE WIRE] Reference

For all her avowed disapproval, Tripp is titillated by Lewinsky's involvement with Clinton.    From Wordnik.com.  [Secrets And Lies] Reference

Will Russia eventually become a responsible "member of the European family," as Putin avowed last week?.    From Wordnik.com.  [What's Wrong with Russia] Reference

Rosen is a self-avowed "health freak" who works in warm-up clothes and does swimming-pool laps for lunch.    From Wordnik.com.  [Health-Care Cost Woes? Call Harris Rosen.] Reference

And Mahathir, who is an avowed secularist, protected them from the Islamic fundamentalists they fear most.    From Wordnik.com.  [Mother Of The Revolt] Reference

A former student radical and avowed Trotskyite, Palocci was not an obvious choice for his current assignment.    From Wordnik.com.  [Saving Grace] Reference

BarryPinches, emmymancs and others were avowed supporters of the "dehumidifier under clothes horse" technique.    From Wordnik.com.  [What's the most eco-friendly way to dry my laundry indoors?] Reference

Most people using the Torch will already be avowed Blackberry users so the Torch is preaching to the faithful.    From Wordnik.com.  [Eric Villency: Testing the Torch] Reference

Within hours, they were standing watch over all the avowed candidates — even George Wallace and Harold Stassen.    From Wordnik.com.  [Bobby's Last, Longest Day] Reference

In Iraq, the avowed aim is to force the U.S. and its allies out, and they are increasingly determined to do that.    From Wordnik.com.  ['Always Keep Hope Alive'] Reference

But they are of considerable interest to America's avowed enemies and strategic competitors such as Russia and China.    From Wordnik.com.  [WikiLeaks 'Bastards'] Reference

As an avowed enemy of the fad, Ornish had nothing kind to say about the diets, which he calls "hazardous to your health.".    From Wordnik.com.  [The Battle Of Pork Rind Hill] Reference

But Turkey got wind of the plan and seized Ocalan, its avowed public enemy No. 1, and whisked him home for trial and conviction.    From Wordnik.com.  [Greek Revival] Reference

But the White House (which must approve the choices) has made it clear they can't all be avowed GOPs nor can they all be named at once.    From Wordnik.com.  [Bipartisan Friction] Reference

"I'm not religious but these relics are in the premier league," says Simeon Djankov, Bulgaria's finance minister and an avowed atheist.    From Wordnik.com.  [Bulgaria Looks to John the Baptist to Resurrect Flagging Economy] Reference

Djindjic, on the other hand, is an avowed liberal who fears a cutoff of Western funds -- and who harbors presidential ambitions himself.    From Wordnik.com.  [In Milosevic's Wake] Reference