How to say "quality" in Japanese

Choosing the right word
  • 質しつJLPT N3approx.Common
    noun, noun (suffix)The basic word for the quality or value of something; it also appears in 品質. Typical of general talk about the quality of work, materials, or life.
    お茶ちゃの質しつは下さがりつつある。↗
    The quality of tea is going down.
  • 品質ひんしつJLPT N1approx.Common
    nounThis is the word for the quality of a product or a service, as in talk about goods, manufacturing, or customer service; for that sense it is the natural choice.
    もっと品質ひんしつの良よいものはありますか。↗
    Do you have better quality ones?
  • nounThe loanword for quality, covering much the same ground as 質; it carries the flavor of the English word, as in talk about the quality of films, games, or other creative work.
    注ちゅう・かなり昔むかしに描えがいてるのでクオリティは低ひくいです。↗
    NB: This was drawn a long time ago so the quality is low.
  • 良し悪しよしあしJLPT N1approx.Common
    nounReally 'good or bad' rather than a noun for quality as such: use it when the point is whether an idea, plan, or method is good or bad, right or wrong, or suitable.
    この女の子おんなのこはまだ小ちいさくてもののよしあしがわからない。↗
    The girl is not old enough to be responsible.
  • 優劣ゆうれつCommon
    nounQuality as relative merit: the superiority or inferiority of things compared with each other. Typical when judging which of competing products, methods, or candidates is better.
    それらの作品さくひんには優劣ゆうれつをつけがたい。↗
    I can't tell which work is better than the other.

Use 品質 for the quality of products or services, 質 for quality or value in general, 「クオリティ」 as the loanword, 「良し悪し」 for whether something is good or bad, and 優劣 for relative merit in comparison.

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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