本気

ほんき

seriousness, truth, sanctity

JLPT N1

Character Breakdown

Meaning and Usage

"本気" (ほんき) means seriousness or genuine intent. It is often used to express that someone is not joking or is fully committed to something.

Common Contexts

You will hear "本気" in conversations about work, competitions, or personal feelings when emphasizing sincerity or earnestness.

Collocations and Patterns

  • 本気で + verb: to do something seriously (e.g., 本気で勉強する - to study seriously)
  • 本気の + noun: a serious or genuine instance of something (e.g., 本気の話 - a serious talk)
  • 本気になる: to become serious or committed

Register and Nuance

"本気" is neutral and can be used in both casual and formal contexts, but it often conveys a strong emotional or motivational tone.

Common Mistake

Learners sometimes confuse "本気" with casual expressions of interest. Remember, "本気" implies a deep, sincere commitment or seriousness, not just mild interest.

Example Sentences

かれはほんきでそのしごとにとりくんでいる。

He is seriously working on that job.

ほんきのしょうぶをしよう。

Let's have a serious match.

じょうだんじゃなくて、ほんきでいっているんだ。

I'm not joking, I am serious.