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1. A process of becoming deeper and more profound

1. Accumulating and becoming more intense
   "the deepening gloom"; "felt a deepening love"
   - thickening

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

Derived forms: deepenings

See also: intensifying

Type of: change, development, enlarge, evolution, increase

Encyclopedia: Deepening