Source : Webster's Revised Unabridged Dictionary (1913)

Monolithic \Mon`o*lith"ic\, a.
   Of or pertaining to a monolith; consisting of a single stone.

Source : WordNet®

monolithic
     adj 1: imposing in size or bulk or solidity; "massive oak doors";
            "Moore's massive sculptures"; "the monolithic
            proportions of Stalinist architecture"; "a monumental
            scale" [syn: {massive}, {monumental}]
     2: characterized by massiveness and rigidity and total
        uniformity; "a monolithic society"; "a monolithic
        worldwide movement"