(名詞) 被擊敗的現任 (incumbent) 政治人物。
Jess Wagner, a Republican from the Phoenix area, said he's happy to call Sen. Russ Feingold the "uncumbent" after three terms in the U.S. Senate.
—Alyssa Newcomb, "GOP celebrants cheer demise of Feingold, top Democratic senator," Cronkite News, November 2, 2010
The Conservative Reader is doing a District Of The Day kinda thing on the hot Senate races. Here's two, both with Republican uncumbents — hey! That was a typo but it's a great new word to describe a defeated incumbent.
—John Deeth, "Legislative Links," John Deeth Blog, October 10, 2012