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"
seemingly boundless in amount, number, degree, or especially extent; "unbounded enthusiasm"; "children with boundless energy"; "a limitless supply of money"
extraordinarily large in size or extent or amount or power or degree; "an enormous boulder"; "enormous expenses"; "tremendous sweeping plains"; "a tremendous fact in human experience; that a whole civilization should be dependent on technology"- Walter Lippman; "a plane took off with a tremendous noise"
situated at or extending to great depth; too deep to have been sounded or plumbed; "the profound depths of the sea"; "the dark unfathomed caves of ocean"-Thomas Gray; "unplumbed depths of the sea"; "remote and unsounded caverns"
coming from deep within one; "a profound sigh"
of the greatest intensity; complete; "a profound silence"; "a state of profound shock"
showing intellectual penetration or emotional depths; from the depths of your being; "the differences are profound"; "a profound insight"; "a profound book"; "a profound mind"; "profound contempt"; "profound regret"