profound
adjectiveUK /prəˈfaʊnd/
US /prəˈfaʊnd/
Very deep or very strong in a way that really matters.
The book had a profound effect on how she saw the world.
RELATED WORDS
OTHER MEANINGS
2. Showing great knowledge and deep understanding.
She is a profound thinker who asks big questions.
3. Very great or extreme in degree.
He felt a profound sadness after saying goodbye.
4. Going far down or reaching very deep.
The divers explored a profound part of the ocean.
5. Complete and total, as in a deep silence.
A profound silence filled the room after the announcement.