How do you say "planet" in Japanese?

惑星

wakusei

Noun Kanji

In Japanese, "planet" is 惑星 (wakusei).

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Pronunciation

Wah-koo-seh, three syllables, the middle 'ku' quick and light.

Writing and usage

惑星 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

火星は赤く岩だらけの惑星です。

kasei ha akaku iwa darakeno wakusei desu.

Mars is a red, rocky planet.

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How to remember 惑星

Wakusei starts with wa, which can suggest circling or wandering, fitting for a planet wandering its orbit.

Related words

Browse all Japanese words in the glossary.

Questions about 惑星

How do you pronounce 惑星?

Wah-koo-seh, three syllables, the middle 'ku' quick and light.

Is 惑星 formal or casual?

惑星 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 惑星 written in Japanese?

惑星 is written using kanji. Romanised, it reads as wakusei.

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.

"Planet" 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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