Definition of "powerbroker" [powerbroker]

• Alternative spelling of power broker. (noun)

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• "Kan needs a robust showing by the Democrats to fend off any post-election challenge from rivals within his party, such as powerbroker Ichiro Ozawa, that could make him the latest of the country's revolving-door leaders."
• "NAJAF, Iraq — Muqtada al-Sadr lambasted the American "enemy" in Iraq during his first speech in the country since returning from exile, fiery rhetoric from a new powerbroker in the government that will make it difficult to extend the U.S. military deployment beyond the end of this year."
• "Daley's entry into the White House marks President Obama's transition from political outsider to insider, and from South Side Chicago liberal to Downtown Chicago and Washington survivalist powerbroker intent on winning another term as president, even if that means alienating the left wing of his party."