Lower someone's spirits; make downhearted.

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

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

Dutch: neerslachtig maken, demotiveren, deprimeren, ontmoedigen