water in japanese

The usual word for “water” in Japanese is 水, read mizu. In everyday speech, you will also hear お水 (omizu), a polite form often used when ordering a drink.

Quick answer:

water = 水 (mizu)
Polite: お水 (omizu)

Mizu: Water in Japanese

水 is pronounced mizu, with two syllables: mi-zu. Japanese vowels are short and clear. The word can refer to water generally, including drinking water. The same character appears in 水曜日, Wednesday, with the reading sui.

みず (mizu)

Meaning: water

The Polite Form Omizu

Adding o- makes the word sound more polite: お水 (omizu). This form is common in restaurants and other service settings. When asking for water, a natural polite phrase is お水をください (omizu o kudasai), “Water, please.”

Japanese Reading Meaning
水 みず (mizu) water
お水 おみず (omizu) water (polite)
水をください mizu o kudasai Water, please
お水をください omizu o kudasai Water, please (polite)

Useful Phrases with Mizu

  • お水をください。 — Water, please.
  • 水を飲みます。 — I drink water.
  • 水はありますか。 — Is there any water?

The particle を marks water as the thing being requested or consumed. In polite conversation, finish a request with ください.

Frequently Asked Questions About Water in Japanese

Tap a question below to see the answer.

Should I say mizu or omizu?

Mizu is the plain word. Omizu is more polite and is common when ordering at a restaurant.

How do I ask for water politely?

Say お水をください (omizu o kudasai).

Summary: Water in Japanese

水 is mizu, the everyday word for water. Use the polite form お水 (omizu) when ordering, and say お水をください to ask for water politely.