How to Say “Unhealthy” in Japanese

不健康な
fukenkō na
The Japanese word for unhealthy is 不健康な (fukenkō na).
不健康な is used to describe something that is conducive to poor health.
Meaning: conducive to poor health (adj)

What does it mean word for word?

The word is composed of the prefix 不 (fu), meaning 'non-' or 'un-' and 健康 (kenkō), meaning 'health'.

How does it change in a sentence?

As a na-adjective, you must use な to connect 不健康な directly to a noun, such as in 不健康な生活 (an unhealthy lifestyle). To function as a predicate at the end of a sentence, the form changes to the dictionary form 不健康だ (fukenkō da). If you wish to use it as an adverb meaning 'unhealthily', change the final な to に to get 不健康に.

How do you pronounce it?

fukenkō na

Did you know?

  • In some contexts, an 'unhealthy' obsession is not described with 不健康な, but with 不健全な (fukenkēn na), which refers to something being 'unwholesome' or 'perverted'.
  • In Japan, the concept of being 'unhealthy' is sometimes linked to the word 不摂生 (fusessei), which specifically refers to an unhealthy lifestyle caused by a lack of self-discipline.
  • When describing food that is 'unhealthy' because it is too greasy or heavy, Japanese people often use 体に悪い (bad for the body) instead of 不健康な.

Examples in context

  • 彼の生活習慣は不健康です。
    His lifestyle is unhealthy.
  • 不良な食事は健康に悪影響を及ぼします。
    Unhealthy eating adversely affects your health.
  • 私の体は健康ではないです。
    My body is not healthy.
  • 最近元気ではない。病気かもしれない。
    I haven't been feeling well lately. I might be sick.
  • 昨日から体調が悪くて、熱があるんだ。
    I've been feeling unwell since yesterday and have a fever.
  • 彼の食生活は健康じゃないよ。
    His eating habits are not healthy, you know?
  • 不健康な生活は避けたいです。
    Fukenkouna seikatsu wa saketai desu.
    I want to avoid an unhealthy lifestyle.
  • 不健康な食事を続けています。
    Fukenkouna shokuji o tsuzukete imasu.
    I am continuing an unhealthy diet.
  • 彼は不健康な習慣を持っています。
    Kare wa fukenkouna shuukan o motte imasu.
    He has unhealthy habits.

Example conversation

Misaki and Hiroto are talking about their daily habits.

  1. 大翔 Hiroto

    毎日お菓子ばかり食べているよ。
    Mainichi okashi bakari tabete iru yo.
    I eat nothing but sweets every day.
  2. 美咲 Misaki

    それは不健康な食生活だよ、大翔。
    Sore wa fukenkō na shokuseikatsu dayo, Hiroto.
    That's an unhealthy diet, Hiroto.
  3. 大翔 Hiroto

    わかっているけど、やめられないんだ。
    Wakatte iru kedo, yamerarenai nda.
    I know, but I can't stop.
  4. 美咲 Misaki

    もっと野菜を食べなきゃダメだよ。
    Motto yasai o tabenakya dame dayo.
    You have to eat more vegetables.
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Rosemary Sharon
Rosemary SharonHelp 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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