キラー

noun

killer; destroyer; annihilator

Used for someone or something that kills, destroys, or defeats decisively. Often appears in compounds like シリアルキラー (serial killer) or キラーコンテンツ (killer content).

• 彼かれはシリアルキラーとして知しられている。

  He is known as a serial killer.

• この新しん製せい品ひんは市し場じょうのキラーになるだろう。

  This new product will be a market killer.

noun

seducer; tempter

Colloquial use for a person who is very attractive and seductive, often with a nuance of being dangerously charming. Can be used for both men and women.

• 彼かの女じょは男おとこを惑まどわすキラーだ。

  She is a seductress who leads men astray.