心衰 xīnshuāi heart failure Origin Definitions Defs Strokes Stroke Words Sentences Sents 心 xīn noun abbreviation of 心力 xīnlì heart power the strength of cardiac muscle contraction衰 shuāi verb abbreviation of 衰竭 shuāijié organ failure The extreme weakening or loss of physiological function in a body organ; exhaustion; prostration