perk up Antonyms

get worse again break someone's heart get down cast down worsen weaken upset unnerve undermine subdue sadden indispose become worse knock sideways cast a gloom on put someone off their stroke cause someone to lose their composure get the flu catch the flu give someone the blues break someone's spirit break one's heart make unhappy get worse throw off balance frustrate fatigue devitalize deteriorate desolate depress demoralize deject degrade degenerate decline debilitate annoy disconcert discourage enervate emaciate disturb distress dispirit disparage dismay disimprove dishearten disenchant