depress

(verb) lower someone's spirits; make downhearted. Synonyms: deject, cast down, get down, dismay, dispirit, demoralize, demoralise. Examples: "These news depressed her." "The bad state of her child's health demoralizes her."

(verb) lower (prices or markets). Examples: "The glut of oil depressed gas prices."

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

(verb) press down. Synonyms: press down. Examples: "Depress the space key."

(verb) lessen the activity or force of. Examples: "The rising inflation depressed the economy."