殺す

ころす

to kill

JLPT N3

Character Breakdown

Meaning and Usage

"殺す" (ころす) primarily means "to kill" in a literal sense, such as ending a life. It is a strong verb often used in serious contexts involving death or harm.

Common Collocations

  • 敵を殺す (てきをころす): to kill an enemy
  • 虫を殺す (むしをころす): to kill insects
  • 時間を殺す (じかんをころす): to kill time (idiomatic)

Nuances and Register

This verb is quite direct and can sound harsh or serious. It is commonly used in news, crime stories, or when discussing violence. When used idiomatically, like "時間を殺す," it means to pass time or occupy oneself.

Common Mistakes

Learners sometimes confuse "殺す" with less severe verbs like "やめる" (to stop) or "消す" (to erase). Remember, "殺す" always implies causing death or ending something forcefully.

Usage Tips

Use "殺す" carefully due to its strong meaning. In casual conversation, people might avoid it or use euphemisms when talking about death. However, idiomatic uses like "時間を殺す" are very common and natural.

Example Sentences

かれはてきをころすためにぶきをつかった。

He used a weapon to kill the enemy.

むしをころすのはかわいそうだ。

It's cruel to kill insects.

じかんをころすためにほんをよんだ。

I read a book to kill time.