1802, "formed of a single block of stone;" 1849, "of or pertaining to a monolith," from monolith + -ic. Figurative use from 1920. Related: Monolithal (1813).
the monolithic proportions of Stalinist architecture
a monolithic society
a monolithic worldwide movement
monograph
monogyny
monokini
monolingual
monolith
monolithic
monologue
monomania
monomaniac
monomer
monometallic