Definition of profound

• a. - Descending far below the surface; opening or reaching to a great depth; deep.
• a. - 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.
• a. - Characterized by intensity; deeply felt; pervading; overmastering; far-reaching; strongly impressed; as, a profound sleep.
• a. - Bending low, exhibiting or expressing deep humility; lowly; submissive; as, a profound bow.
• n. - The deep; the sea; the ocean.
• n. - An abyss.
• v. t. - To cause to sink deeply; to cause to dive or penetrate far down.
• v. i. - To dive deeply; to penetrate.