How do you say "ninth" in Japanese?

第9

dai 9

Noun Kanji

In Japanese, "ninth" is 第9 (dai 9).

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Pronunciation

DAI kyoo, two short syllables — 'dai' plus 'kyuu' (nine), said quickly and evenly.

Writing and usage

第9 is written using kanji. It's a noun, and this word is also taught inside the Noun Town language learning game, where it appears in interactive lessons alongside hundreds of other everyday words.

Example sentence

今日は彼女の9歳の誕生日です。

konnichiha kanojo no 9 toshi no tanjoubi desu.

This is her ninth birthday.

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How to remember 第9

Same dai pattern as eighth — dai-kyuu is 'the ninth', proving how one small prefix reliably turns numbers into rankings.

Related words

Browse all Japanese words in the glossary.

Questions about 第9

How do you pronounce 第9?

DAI kyoo, two short syllables — 'dai' plus 'kyuu' (nine), said quickly and evenly.

Is 第9 formal or casual?

第9 is a neutral, everyday word that works in both casual and polite speech. The level of formality comes from the sentence structure around it, not from the word itself.

How is 第9 written in Japanese?

第9 is written using kanji. Romanised, it reads as dai 9.

Where can I practice Japanese words for free?

You can play free Japanese minigames in your browser on the Noun Town online games page, with no sign-up needed. Every word in the Japanese glossary also has native audio and an example sentence you can revisit any time.

"Ninth" in other languages

Curated by Jack Ratcliffe

This word is part of the vocabulary taught in the Japanese language learning game Noun Town, where words are introduced through play rather than memorisation. Want to play the full game? Get Noun Town on Steam.

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