完食

• Reading: かんしょく
• Romaji: kanshoku
• Kanji breakdown: 完 (complete/finish) + 食 (eat) → completely ate
• Pronunciation: /kan.sho.ku/

Meaning

Finishing every last bite of a dish — eating absolutely everything on your plate, especially an impressively large portion.

完食 is the eating counterpart to 完飲 (finishing a drink). It is commonly used in the context of large-portion challenges (デカ盛り), where restaurants offer free meals or prizes for customers who can finish an enormous serving. The term carries a sense of accomplishment and is frequently seen in food challenge content on YouTube and TV. It is also used casually to express satisfaction at finishing a meal.

Examples

1. 大盛りチャレンジを完食したら商品券もらえるらしい。 Apparently you get a gift certificate if you finish the mega-sized challenge.
2. この量を完食できる自信ないけど、やってみる。 I'm not confident I can finish this much, but I'll give it a shot.
3. デカ盛りラーメンを完食して店内で拍手もらった。 I finished the mega-portion ramen and got a round of applause in the restaurant.

Usage Guide

Context: restaurants, food challenges, friends, social media

Tone: accomplished, impressed

Do Say

• 完食できたらすごいよ、あの量は半端ない。 (If you can finish it all, that's impressive — the portion is insane.)
• 久しぶりに完食した、お腹パンパン。 (First time in a while I finished everything — I'm stuffed.)

Don't Say

• 食が細い人に「完食しなよ」と言うのはプレッシャー (Telling a light eater to 'finish it all' puts pressure on them)

Common Mistakes

• Using 完食 for drinking — 完食 is specifically for food; use 完飲 for liquids

Origin & History

From 完 (complete/finish) + 食 (eat). A straightforward compound used in food challenge and restaurant contexts. Became popular with the rise of competitive eating content and デカ盛り (mega-portion) culture.

Cultural Context

Era: 2000s, grew with food challenge and デカ盛り culture

Generation: All ages

Social background: Universal

Regional notes: Used across all of Japan. Many restaurants offer free meals or prizes for 完食 of challenge-sized portions.