Lower someone's spirits; make downhearted:
— These news depressed her.

synonyms: cast down, deject, demoralise, demoralize, dismay, dispirit, get down.

Roget 308: depress, lower, let down, take down, let down a peg, take down a peg; cast; let drop, let fall; sink, debase, bring low, abase, reduce, detrude^†, pitch, precipitate.    overthrow, overturn, overset^†; upset, subvert, prostate, level, fell; cast down, take down, throw down, fling down, dash down, pull down, cut down, knock down, hew down; raze, raze to the ground, rase to the ground^†; trample in the dust, pull about one's ears.    sit, sit down; couch, squat, crouch, stoop, bend, bow; courtesy, curtsy; bob, duck, dip, kneel; bend the knee, bow the knee, bend the head, bow the head; cower; recline etc. (be horizontal) 213.    ... show more

Roget 837: be dejected etc. adj.; grieve; mourn etc. (lament) 839; take on, give way, lose heart, despond, droop, sink.    lower, look downcast, frown, pout; hang down the head; pull a long face, make a long face; laugh on the wrong side of the mouth; grin a ghastly smile; look blue, look like a drowned man; lay to heart, take to heart.    mope, brood over; fret; sulk; pine, pine away; yearn; repine etc. (regret) 833; despair etc. 859.    refrain from laughter, keep one's countenance; be grave, look grave etc. adj.; repress a smile.    depress; discourage, dishearten; dispirit; damp, dull, deject, lower, sink, dash, knock down, unman, prostrate, break one's heart; frown upon; cast a gloom, cast a shade on; sadden; damp one's hopes, dash one's hopes, wither one's hopes; weigh on the mind, lie heavy on the mind, prey on the mind, weigh on the spirits, lie heavy on the spirits, prey on the spirits; damp the spirits, depress the spirits.    ... show more

Roget 252: be concave etc. adj.; retire, cave in.    render concave etc. adj.; depress, hollow; scoop, scoop out; gouge, gouge out, dig, delve, excavate, dent, dint, mine, sap, undermine, burrow, tunnel, stave in.    ... show more

Roget 843: be dull etc. adj.; prose, take au serieux [Fr.], be caught napping.    render dull etc. adj.; damp, depress, throw cold water on, lay a wet blanket on; fall flat upon the ear.    no joke, serious matter (importance) 642.    ... show more

Dutch: neerslachtig maken, demotiveren, deprimeren, ontmoedigen

Lower (prices or markets).

Cause to drop or sink:
— The lack of rain had depressed the water level in the reservoir.

synonym: lower.

Press down:
— Depress the space key.

synonym: press down.

Lessen the activity or force of.