致命

Verb

 * 1) to cause death
 * 2) to sacrifice one's life
 * 3)  to dispatch orders

Adjective

 * 1) fatal; deadly; lethal; mortal

Etymology
From, literally “to deliver” + “life”.

Noun

 * 1) a sacrifice of one's life
 * 2) loss of life
 * 3) something fatal, deadly, mortal, lethal
 * 1) something fatal, deadly, mortal, lethal

Derived terms

 * : a mortal wound
 * : a fatal disease
 * : fatal, deadly