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"
a forceful forward rush or flow; "from the bow she stared at the mesmerising onrush of the sea where it split and foamed"; "the explosion interrupted the wild onrush of her thoughts"