Last Updated：2025/11/20

The highest quality of gemstones, especially of diamonds and pearls. / (by extension) The highest rank or quality or the greatest degree.

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first water

Source Word

first water

Noun

uncountable broadly

Japanese Meaning

最高級の宝石、特にダイヤモンドや真珠の極上品 / 最高ランクまたは卓越した品質、極上の程度

The necklace was considered first water, fetching an astonishing price at the auction.

そのネックレスは最高級の宝石として評価され、オークションで驚くべき価格で落札された。

Sense（1）

The highest quality of gemstones, especially of diamonds and pearls.

Sense（2）

(by extension) The highest rank or quality or the greatest degree.

He's a liar, swindler, and hypocrite—a scoundrel of the first water.