Illustration: In a Japanese home's garden, a sprinkler barely dribbles over a dry patch of grass. Its hose runs visibly back toward the tap but is flattened beneath a heavily loaded handcart wheel.

JLPT N1nounLevel estimated by Bebop

要よう因いん

youin

main cause, key factor

Example sentences

  1. 彼かれの失敗しっぱいの第一だいいちの要因よういんは怠惰たいだである事ことだ。

    The primary cause of his failure is laziness.

    Tatoeba · CC BY 2.0 FR · Source

  2. 健康けんこうは幸福こうふくの重要じゅうような要因よういんだ。

    Health is an important factor of happiness.

    Tatoeba · CC BY 2.0 FR · Source

  3. その犯罪はんざいの第一だいいちの要因よういんは何なにですか。

    What is the main cause of the crime?

    Tatoeba · CC BY 2.0 FR · Source

Kanji in 要因

  • 要need; main pointOnヨウKunいる・かなめ
  • 因cause; factorOnインKunよる・ちなむ

A word like this on every new tab

The Bebop Chrome extension shows one illustrated Japanese word each time you open a new tab in Chrome, with its reading, meaning, kanji and three example sentences. Choose any mix of levels from N5 to beyond N1. It’s free, with no account.

The Bebop new tab showing 音楽, music, over an illustration of a family playing music at home, with three example sentences
Add to Chrome Free on the Chrome Web Store
For Chrome on a computer. See it on the Chrome Web Store