消沉

消沉	xiāo chén	to sink into despondency / (of morale, willpower etc) to diminish; to plummet
消	xiāo	to diminish; to subside / to consume; to reduce / to idle away (the time) / (after 不 or 只 or 何 etc) to need; to require; to take
沉	chén	to submerge / to immerse / to sink / to keep down / to lower / to drop / deep / profound / heavy