* To express an increase in intensity or understanding:
* "The mystery only deepened as more clues emerged."
* "Her love for her family deepened with each passing year."
* "The study deepened our understanding of the human brain."
* To describe a physical change:
* "The river deepened as it flowed towards the ocean."
* "The wrinkles on her face deepened with age."
* "The hole in the ground deepened after the heavy rain."
* To describe an emotional state:
* "The silence in the room deepened her anxiety."
* "His sadness deepened after hearing the news."
* "The darkness deepened her fear."
* In a figurative sense:
* "The crisis deepened the divide between the two countries."
* "The experience deepened her appreciation for the simple things in life."
* "The artist's brushstrokes deepened the painting's impact."