deep

Meaning of deep in English

Adjective

1. extending far downwards; not shallow

How deep is this lake?
The ocean is deep here.

2. serious

a deep problem

3. having a low sound; not high or shrill

He speaks in a deep voice.

4. strong and dark in color

deep red

5. intense

My mother's love for me was very deep.

6. sound

He is a deep[⇔light] sleeper.

Adverb

1. far down

He was buried deep.
They dug deep before they found oil.