Meaning : Become more intense.
Example :
The debate intensified.
His dislike for raw fish only deepened in Japan.
Synonyms : intensify
Meaning : Make deeper.
Example :
They deepened the lake so that bigger pleasure boats could use it.
Meaning : Become deeper in tone.
Example :
His voice began to change when he was 12 years old.
Her voice deepened when she whispered the password.
Synonyms : change
Deepen meaning in Telugu.