1. making something taller or higher in physical dimension
2. increasing the intensity, strength, or degree of something

1. the act or process of making something higher or more intense

Examples

• The construction crew is heightening the wall by two feet.
• The dramatic music is heightening the tension in the scene.
• Heightening awareness about climate change is crucial for action.
• The artist used bold colors for heightening the visual impact of the painting.
• They are heightening security measures at the airport.
• The heightening of emotions made it difficult to think clearly.
• Heightening the volume made the announcement easier to hear.