To make or become more intense or profound. The conversation deepened as they discussed their personal experiences.
To make or become deeper in terms of physical depth. The workers deepened the trench to ensure proper drainage.
To increase the seriousness or severity of something. The crisis deepened as more information about the scandal was revealed.
To enhance or improve the understanding or knowledge of something. She took a course to deepen her understanding of quantum physics.
To become or make darker or richer in color or shade. At dusk, the blue of the sea deepened to an inky midnight hue.
To become or make lower in pitch or tone. His voice deepened during adolescence.