Meaning & use
deep
Extending a long way down from the top or in from an outer surface.
See it in a sentence
The lake is deep enough in the middle for large boats to pass safely.
They dug a deep hole to plant the roots of the young oak tree.
A note on using this word
Deep is measured downward or inward from a surface, as with a deep river or deep hole; for vertical extent upward, English generally uses 'high' or 'tall' instead.
Words with a similar meaning
This term is best learned through its definition and examples.
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
Another way to use it
2. adjective
Intense, profound, or extending far beyond what is superficial, especially in feeling or thought.
He felt a deep sense of gratitude toward the friends who had helped him.
Make it your own
Write a sentence using “deep”, then compare your use with the examples above.