いなくなる

expression, godan verb (-ru)

disappear; go away; leave; no longer exist

Used for people or animals disappearing from a place, leaving, or ceasing to be present. Often implies a change from being there to not being there, and can carry a nuance of loss or absence.

• 気きがつくと、猫ねこがいなくなっていた。

  Before I noticed, the cat had disappeared.

• 彼かれは何なにも言いわずにいなくなった。

  He left without saying anything.

• この町まちから古ふるい建たて物ものがどんどんいなくなっている。

  Old buildings are rapidly disappearing from this town.