A large distance from the top to the bottom.
The well was so deep that no one could see the bottom.
A large distance from the front to the back.
The closet was deep enough to hide a small child.
Used to talk about how deep something is.
The lake is deep, so be careful when swimming.
Reaching a certain point or level.
The snow was deep enough to leave footprints.
Many rows deep, one behind the other.
The crowd was deep, making it hard to move.
Breathing in a lot of air.
She took a deep breath before diving.
Sleeping very soundly, hard to wake up.
He was in a deep sleep and didn't hear the alarm.
Strong and intense in color or sound.
The singer had a deep, rich voice.
Low in pitch or tone.
The drum made a deep, resonant sound.
Felt strongly or with great intensity.
She had deep feelings for him.
Very serious or extreme.
The team was in deep trouble after the loss.
Showing a lot of knowledge or understanding.
He had a deep understanding of the subject.
Hard to understand or very complicated.
The book was deep and took time to comprehend.
Fully involved or engaged in something.
The company was deep in debt.
Not revealing feelings or thoughts.
He was a deep person, never showing his emotions.
Far down or across a field.
He threw a deep pass to the receiver.
To a great extent or degree.
He dived deep into the water.
The deep part of the sea.
The ship disappeared into the deep.
The deepest part of something.
They explored the deeps of the ocean.