1.showing intellectual penetration or emotional depths; from the depths of your being;
the differences are profound
2.of the greatest intensity; complete;
a profound silence
3.far-reaching and thoroughgoing in effect especially on the nature of something;
the fundamental revolution in human values that has occurred
4.coming from deep within one;
a profound sigh
5.(of sleep) deep and complete;
a heavy sleep
6.situated at or extending to great depth; too deep to have been sounded or plumbed;
the profound depths of the sea