deepen

/ˈdipən/
verb
  1. To become or make something deeper in a physical sense, such as a hole, body of water, or color.
    • The sunset deepened the sky to a rich orange.
    • We need to deepen the well to reach more water.
    • The river deepens as it flows toward the ocean.
  2. To become or make something more intense, serious, or stronger, such as a feeling, relationship, or understanding.
    • The mystery deepened when more clues were found.
    • Reading books can deepen your knowledge of history.
    • Their friendship deepened over years of shared experiences.
  3. To make a sound lower in pitch.
    • The actor deepened his tone to sound more menacing.
    • The music deepened into a low, rumbling bass.
    • His voice deepened as he grew older.
What does "deepen" mean? | whatsthatwordmean | whatsthatwordmean