deep understanding
noun phraseUK /diːp ˌʌndəˈstændɪŋ/
US /diːp ˌʌndərˈstændɪŋ/
Knowing something very well, like knowing all about it inside and out.
After reading many books about space, she had a deep understanding of the planets.
RELATED WORDS
OTHER MEANINGS
2. A strong and clear grasp of a person's feelings or point of view.
His deep understanding of his friend's sadness helped him say the right words.
3. Expert knowledge gained from long study or practice in a subject.
The doctor's deep understanding of the heart saved many lives.
4. The ability to see the real meaning behind something that is not obvious.
Her deep understanding of the story helped the class see its hidden message.