wicked problem
n.— «Some observers have taken a page from urban planning theory to describe Iraq as a “wicked problem”—a term coined to describe complex and divisive issues, such as building a new highway through a city or finding a location for a large homeless shelter.» —“Tom Ricks’s Inbox” by Tom Rick Washington Post Sept. 2, 2007. (source: Double-Tongued Dictionary)
Further reading
Have you ever googled your own name and found someone else who goes by the very same moniker? There’s a word for that: googleganger. Plus, the language of hobbyists and enthusiasts: If you’re a beekeeper, perhaps you call yourself a...
You may have a favorite word in English, but what about your favorite in another language? The Spanish term ojalá is especially handy for expressing hopefulness and derives from Arabic for “God willing.” In Trinidad, if you want to ask...