To move something to a position that is below or less than its previous position. He lowered the flag at sunset.
To reduce the amount, degree, or intensity of something. The company decided to lower the prices of their products.
To make something less loud or less bright. She lowered her voice to avoid waking the baby.
To diminish in value or quality. The scandal lowered his reputation in the community.
To appear dark and threatening; to frown or look sullen. Storm clouds lowered over the valley as evening approached.