1. to make or become higher or taller
2. to make something more intense, stronger, or more noticeable

Examples

• The architect heightens the ceiling to make the room feel more spacious.
• Adding spices heightens the flavor of the dish.
• The dramatic music heightens the tension in the movie.
• Regular exercise heightens your overall fitness level.
• The sunset heightens the beauty of the landscape.
• His anxiety heightens when he thinks about the exam.
• The new lighting heightens the artwork on the gallery wall.