Definition of Deepen

Verb: deepen dee-pun

Make more intense, stronger, or more marked
"This event only deepened my convictions";
- intensify, compound, heighten
Become more intense
"His dislike for raw fish only deepened in Japan";
- intensify
Make deeper
"They deepened the lake so that bigger pleasure boats could use it"
Become deeper in tone
"Her voice deepened when she whispered the password";
- change