• make (someone) feel utterly dispirited or dejected

Synonyms: make sad, sadden, make unhappy, cast down, get down, make gloomy, make despondent, dispirit

• reduce the level or strength of activity in (something, especially an economic or biological system)

Synonyms: slow down, slow up, reduce, lower, weaken, sap, devitalize, impair, deflate, reduce, lower, cut, cheapen, put down, keep down, mark down, discount, deflate, depreciate, devalue, diminish, downgrade

• push or pull (something) down into a lower position

Synonyms: push (down), press (down), exert pressure on, lower, hold down