1. very deep or intense; having great depth of knowledge, feeling, or meaning
2. showing great knowledge or understanding
3. complete or absolute

Examples

• The professor’s profound knowledge of history impressed his students.
• She felt profound sadness after hearing the news.
• The book had a profound impact on my thinking.
• His profound silence suggested deep contemplation.
• The discovery led to profound changes in medical treatment.
• There was a profound difference between the two approaches.
• The philosopher offered profound insights into human nature.