Main entry: unfathomed, unplumbed, unsounded, profound
Definition: situated at or extending to great depth; too deep to have been sounded or plumbed
Usage: the profound depths of the sea; the dark unfathomed caves of ocean-Thomas Gray; unplumbed depths of the sea; remote and unsounded caverns
Main entry: profound, wakeless, heavy, sound
Definition: (of sleep) deep and complete
Usage: a heavy sleep; fell into a profound sleep; a sound sleeper; deep wakeless sleep
Main entry: profound
Definition: coming from deep within one
Usage: a profound sigh
Main entry: profound
Definition: of the greatest intensity; complete
Usage: a profound silence; a state of profound shock
Main entry: profound
Definition: showing intellectual penetration or emotional depth
Usage: the differences are profound; a profound insight; a profound book; a profound mind; profound contempt; profound regret
Main entry: fundamental, profound
Definition: far-reaching and thoroughgoing in effect especially on the nature of something
Usage: the fundamental revolution in human values that has occurred; the book underwent fundamental changes; committed the fundamental error of confusing spending with extravagance; profound social changes