monumental -- (relating or belonging to or serving as a monument; "the use of the arch in monumental architecture"; "monumental sculptures")
monumental -- (of outstanding significance; "Einstein's monumental contributions to physics")
massive, monolithic, monumental -- (imposing in size or bulk or solidity; "massive oak doors"; "Moore's massive sculptures"; "the monolithic proportions of Stalinist architecture"; "a monumental scale")
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