How to say "shortage" in Japanese

Choosing the right word
  • 不足ふそくJLPT N3approx.Common
    noun, suru verb, intransitive verb, na-adjectiveCovers shortage and lack in the everyday sense of not having enough of something, such as food, sleep, or funds. This is usually the word you want for a plain shortage.
    食糧しょくりょうが不足ふそくしている。↗
    Food has been in short supply.
  • 欠損けっそんCommon
    noun, suru verb, intransitive verbFor shortage in the sense of deficit or loss, especially a numerical or financial shortfall. Also used for something physically missing or defective, so it is narrower than 不足.
    同社どうしゃは第だい一いち四半期しはんきに4億よんおくドルの欠損けっそんを出だした。↗
    The company incurred a deficit of $400 million during the first quarter.
  • 欠乏けつぼうJLPT N1approx.Common
    noun, suru verb, intransitive verbSuits deficiency and shortage of something essential that is largely or completely unavailable, such as vital resources. It suggests a deeper, more serious want than 不足.
    知識ちしきは欠乏けつぼうしており、知恵ちえはさらに乏とぼしい。↗
    Knowledge is scarce; wisdom is scarcer.
  • 欠如けつじょCommon
    noun, suru verb, intransitive verbBest for lack or absence of something abstract whose presence is expected, such as a quality, ability, or sense; the shortage sense is secondary. Less apt for countable running-short shortages.
    それは相互そうご理解りかいの欠如けつじょがもとになっていると思おもう。↗
    I think that is based on a lack of mutual understanding.
  • 難なんJLPT N1approx.Common
    noun, noun (suffix)Mainly means difficulty, hardship, or disaster; its shortage sense appears mostly in set expressions for famine and the like. Seldom the word you want for an ordinary shortage.

Use 不足 for an insufficient quantity of something needed, 欠損 for deficits or losses such as in accounting or missing body parts, 欠乏 for lacking an essential resource, 欠如 for the absence of a quality or element, and 難 chiefly for hardship or difficulty.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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