1. A thorough and comprehensive grasp of a subject, concept, or situation that goes beyond surface-level knowledge
She has a deep understanding of quantum physics after years of study.
Ela tem uma compreensão profunda da física quântica após anos de estudo.
2. Intimate or profound insight into the nature, meaning, or significance of something
His deep understanding of human nature made him an excellent therapist.
Sua compreensão profunda da natureza humana o tornou um excelente terapeuta.