deepen

Meanings

• make more intense, stronger, or more marked; ,
  • "This event only deepened my convictions"
• become more intense
  • "His dislike for raw fish only deepened in Japan"
• 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"

Synonyms

change, compound, heighten, intensify