profound >> /prəˈfaʊnd/
Definition: [noun] The vast depth of the ocean or of the mind.
Definition: [adjective] (of a state, quality, or emotion) very great or intense.
Example: profound feelings of disquiet
Definition: [adjective] (of a person or statement) having or showing great knowledge or insight.
Example: a profound philosopher
Definition: [adjective] At, from, or extending to a great depth; very deep.