IPA: /prəˈfaʊndnəs/
KK: /prəˈfaʊndnəs/
The quality of being very deep or intense in thought, feeling, or meaning.
The profoundness of her insights left everyone in awe.
Profoundness → It is formed from "profound" (from Latin *profundus*, meaning deep) and the suffix "-ness" (meaning the state or quality of). The word "profoundness" refers to the state of being deep or having depth, whether in thought, feeling, or understanding.
Think of 'deep' ('profundus') to remember that 'profoundness' means the quality of being deep, whether in ideas or emotions.