Adjective
1. 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"2. of the greatest intensity; complete;
"a profound silence""a state of profound shock"3. far-reaching and thoroughgoing in effect especially on the nature of something;
"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"4. coming from deep within one;
"a profound sigh"5. (of sleep) deep and complete;
"a heavy sleep""fell into a profound sleep""a sound sleeper""deep wakeless sleep"6. 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"