ダイエット
daietto[da̠ie̞t̚to̞]
The English phrase "diet" is translated into Japanese as ダイエット (daietto).
ダイエット refers to a controlled regimen of food. You can use the verb ダイエットする to mean "to diet" or "to go on a diet" by adding the verb する to the noun. If you want to express the action of losing weight or becoming thin, you can use the verb 痩せる.
Meaning: controlled regimen of food (noun)
How does it change in a sentence?
Adding the suffix 中 to ダイエット creates the phrase ダイエット中, which means you are "currently on a diet" or "in the middle of dieting".
How do you pronounce it?
daietto
Did you know?
- In Japanese culture, admitting to being ダイエット中 is often used as a polite way to decline second helpings of food without offending the host.
- In English, 'diet' can mean your usual food intake, but in Japanese, using ダイエット exclusively implies a temporary, purposeful effort to change your body shape.
- While ダイエット means 'to lose weight' in Japanese, it does not necessarily imply eating less food. It is often used to describe any weight-loss regimen, including gaining muscle through exercise and increasing protein intake.
Examples in context
- ダイエット中です。I'm on a diet.This sentence is useful for saying you are on a diet using ダイエット.Tatoeba #203991 by arnab, translation #241675 by CK
- 今ダイエット中なの。I’m on a diet right now.Tatoeba #172798 by bunbuku, translation #1816735 by pne
- 彼女はダイエット中だ。She is on a diet.This sentence is useful for saying she is on a diet using ダイエット.Tatoeba #1556115 by bunbuku, translation #315104 by CK
- 調査によれば、この食事制限が健康に良い影響を与える可能性があります。According to the research, this diet restriction may have a positive impact on health.
- 夏までに痩せたいので、毎日ジョギングをしています。I want to lose weight by summer, so I jog every day.
- 49 more sentences on Tatoeba
Example conversation
Yui and Daito are deciding what to eat for dinner.
- 大翔 Hiroto今日はピザを食べない?Kyou wa piza o tabenai?Why don't we eat pizza today?
- 結衣 Yuiごめん、今はダイエットなの。Gomen, ima wa daietto nano.Sorry, I'm on a diet right now.
- 大翔 Hirotoじゃあ、サラダにしようか。Jaa, sarada ni shiyou ka.Then, shall we have a salad?
- 結衣 Yuiありがとう。そうしよう!Arigato. Sou shiyou!Thank you. Let's do that!
Sources
- Wiktionary, “diet” translations and entries ダイエット, CC BY-SA 4.0, dump of 2026-09-26.
- Example sentences: Tatoeba CC BY 2.0 FR.