How to Say “Eat Up” in Japanese

完食する
kanshoku suru
The English phrase "eat up" is translated into Japanese as 完食する (kanshoku suru).
完食する is used to mean consuming something completely. The noun form, 完食, is often used to describe the act of finishing a meal or can be found in food reviews to indicate that someone cleared their plate.
Meaning: consume completely (verb)

Which one should you use?

While 完食する is a more formal or noun-heavy way to express the idea, the verb phrase 食べきる is a common, more natural way to say "eat up" or "finish eating" in daily conversation.

How does it change in a sentence?

To express that someone already ate up or finished their meal, use the past tense form 完食した.

How do you pronounce it?

kanshoku suru

When do people say it?

After finishing a meal, a polite way to say "Thank you for the meal" is ごちそうさまでした.

Did you know?

  • In some traditional contexts, failing to 完食 your rice is seen as disrespectful to the spirits of the rice deity.
  • The phrase ごちそうさまでした used after eating up contains the word 'chisou', which originally referred to the labor of preparing a feast.
  • In Japanese schools, students are often encouraged to 完食 as part of 'shokuiku' or food education, which teaches the value of ingredients and gratitude toward farmers.

Examples in context

  • 彼は残さず完食する。
    Kare wa nokosazu kanshoku suru.
    He eats it all up without leaving anything.
  • 全部完食するのは難しいです。
    Zenbu kanshoku suru no wa muzukashii desu.
    It is difficult to eat everything up.

Example conversation

Ren and Misaki are finishing lunch.

  1. 蓮 Ren

    この料理、本当に美味しいね。
    Kono ryouri, hontou ni oishii ne.
    This food is really delicious.
  2. 美咲 Misaki

    うん、全部完食するまで起きないよ。
    Un, zenbu kanshoku suru made okinai yo.
    Yeah, I'm not getting up until I eat it all up.
  3. 蓮 Ren

    美咲は本当に食べるのが早いな。
    Misaki wa hontou ni taberu no ga hayai na.
    Misaki, you really eat fast.
  4. 美咲 Misaki

    お腹が空いてたからね。
    Onaka ga suite ta kara ne.
    Because I was hungry.
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Yvonne Gail
Yvonne GailHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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