1. (v. i.) To be destroyed; to pass away; to become nothing; to be lost; to die; hence, to wither; to waste away.

2. (v. t.) To cause perish.

age antiquate be annihilated be consumed be destroyed be done for be gone be killed be lost be no more be wiped out become extinct become obsolete break down cease cease to be cease to exist cease to live collapse come to naught come to nothing conk out corrupt croak crumble date decay decease decline decompose dematerialize demise depart depart this life die die away die out disappear disintegrate dispel disperse dissipate dissolve do a fade-out dwindle end erode evanesce evaporate exit expire fade fade away fade out fall fall asleep flee fly fossilize fust go go away go out go under grow old hide leave no trace leave the scene lose currency melt melt away molder obsolesce outdate part pass pass away pass on pass out pass over peg out peter out put off mortality putrefy quit this world retire from sight return to dust rot run out rust sink sink away spoil stop breathing succumb suffer an eclipse superannuate turn up and die vanish vanish from sight waste waste away wear away yield the ghost