so exceedingly large or extensive as to suggest a giant or mammoth; "a gigantic redwood"; "gigantic disappointment"; "a mammoth ship"; "a mammoth multinational corporation"
consisting of great mass; containing a great quantity of matter; "Earth is the most massive of the terrestrial planets"
imposing in size or bulk or solidity; "massive oak doors"; "Moore's massive sculptures"; "the monolithic proportions of Stalinist architecture"; "a monumental scale"
imposing in scale or scope or degree or power; "massive retaliatory power"; "a massive increase in oil prices"; "massive changes"
being the same substance throughout; "massive silver"