In 1991, the Soviet Union then seemingly an unbreakable monolith collapsed in just a few months.

Europe is not a monolith, but in many areas it can still act coherently, even without complete agreement.

Now one of the tools I can eventually earn for my UFO is a monolith that I can drop down.

Indeed, the Party, having ceased to be a rigid monolith obedient to a single leader, has become dependent on the military for its political legitimacy and to ensure domestic order.

In a housing project in Valencia, Spain, we're doing, the different towers of housing fused together in shared curves so you get a single mass, like a kind of monolith, but it breaks down into individual elements.

If you saw 2001 A Space Odyssey, and you heard the boom, boom, boom, boom, and you saw the monolith, you know, that was Arthur C. Clarke's representation that we were at a seminal moment in the evolution of our species.