wicked problem
n.β Β«Some observers have taken a page from urban planning theory to describe Iraq as a “wicked problem”βa 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.Β» ββTom Ricksβs Inbox” by Tom Rick Washington Post Sept. 2, 2007. (source: Double-Tongued Dictionary)