Monolith (noun)
mon-o-lith
A large single upright block of stone, especially one shaped into or serving as a pillar or monument. / A large characterless building.
Mid 19th century from French monolithe, from Greek monolithos, from monos ‘single’ + lithos ‘stone’.
Example sentences
“The monolith stood, lit by the sun.”
“The monolith is such a blot on the countryside.”