飲み水・飲水|のみみずnomimizu[2]nakadaka (mid-high)

Common
Which spelling to use
飲み水飲み水 is the most common written form. It uses kanji and kana and is the form beginners should normally choose.
飲水飲水 is a less common written variant of 飲み水, written entirely in kanji; learners will generally encounter 飲み水 more often.
Definitions
  1. noundrinking water; potable water
Synonyms & antonyms
  • Synonym飲料水いんりょうすいNeutralWater fit for drinking; more formal than 「飲み水」, often seen on signs and in documents.
  • Synonym飲用水いんようすいWrittenWater for drinking; a written, formal term synonymous with 「飲料水」 but used less often.
  • Related上水じょうすいNeutralClean water supplied for drinking; also a channel carrying such water, as in 「玉川上水」. 「飲み水」 focuses on the water itself.

For water people drink, use 「飲み水」, the common everyday word (「飲み水の確保」). Signs and documents say 「飲料水」; 「飲用水」 is a rarer written synonym. 「上水」 is water supplied for drinking, or a channel carrying it.

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

Japanese definitions
  1. 水みずを飲のむこと。またその水みず。
Kanji in this word

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