1. the process of becoming deeper or more intense

1. present participle of deepen; making or becoming deeper

Examples

• The deepening of the river channel allowed larger ships to pass through.
• We noticed a deepening of their friendship over the years.
• The crisis is deepening with each passing day.
• She felt a deepening sense of responsibility as a parent.
• The workers are deepening the foundation for the new building.
• His voice showed a deepening concern about the situation.
• The deepening shadows indicated that evening was approaching.