v (transitive) To let descend by its own weight, as something suspended; to let down
v (transitive) to pull down
v (transitive) To reduce the height of
v (transitive) To make less elevated
v (transitive) To reduce the degree, intensity, strength, etc., of
v (transitive) To bring down; to humble
v (reflexive) ('lower oneself') To humble oneself; to do something one considers to be beneath one's dignity.
v (transitive) To reduce (something) in value, amount, etc.
v (intransitive) To fall; to sink; to grow less; to diminish; to decrease
v (intransitive) To decrease in value, amount, etc.
v (intransitive) To be dark, gloomy, and threatening, as clouds; to be covered with dark and threatening clouds, as the sky; to show threatening signs of approach, as a tempest.