noun the deep; the sea; the ocean.
2. profound ·noun an abyss.
3. profound ·vi to dive deeply; to penetrate.
4. profound ·vt to cause to sink deeply; to cause to dive or penetrate far down.
5. profound ·adj descending far below the surface; opening or reaching to a great depth; deep.
6. profound ·adj bending low, exhibiting or expressing deep humility; lowly; submissive; as, a profound bow.
7. profound ·adj characterized by intensity; deeply felt; pervading; overmastering; far-reaching; strongly impressed; as, a profound sleep.
8. profound ·adj intellectually deep; entering far into subjects; reaching to the bottom of a matter, or of a branch of learning; thorough; as, a profound investigation or treatise; a profound scholar; profound wisdom.