lowering

(noun) the act of causing to become less.

(noun) the act of causing something to move to a lower level. Synonyms: letting down.

(verb) move something or somebody to a lower position. Synonyms: lower, take down, let down, get down, bring down. Example: "Take down the vase from the shelf."

(verb) set lower. Synonyms: lower, lour. Examples: "Lower a rating." "Lower expectations."

(verb) make lower or quieter. Synonyms: turn down, lower, lour. Example: "Turn down the volume of a radio."

(verb) cause to drop or sink. Synonyms: lower, depress. Example: "The lack of rain had depressed the water level in the reservoir."

(verb) look angry or sullen, wrinkle one's forehead, as if to signal disapproval. Synonyms: frown, glower, lour, lower.

(adj) darkened by clouds. Synonyms: heavy, sullen, threatening. Example: "A heavy sky."