Japanese symbol for “spaceflight”

宇宙飛行

うちゅうひこう

Romaji: uchuuhikou

space flight; spaceflight

In Japanese, spaceflight is 宇宙飛行, read うちゅうひこう (uchuuhikou).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

n space flight; spaceflight

Kanji and stroke order

宇

eaves, roof, house

on: ウ

6 strokes · JLPT 2

宙

mid-air, air, space

on: チュウ

8 strokes · JLPT 2

飛

fly, skip (pages), scatter

on: ヒ
kun: と.ぶ、と.ばす、-と.ばす

9 strokes · JLPT 2

行

going, journey, carry out

on: コウ、ギョウ、アン
kun: い.く、ゆ.く、-ゆ.き、-ゆき

6 strokes · JLPT 4

Related words

Words that share a kanji.

Word	Reading	Meaning
宇宙	うちゅう uchuu	universe; cosmos; space
宇都宮	うつのみや utsunomiya	Utsunomiya (city in Tochigi)
小宇宙	しょううちゅう shouuchuu	microcosmos; microcosm
宇宙船	うちゅうせん uchuusen	spaceship
宇都宮線	うつのみやせん utsunomiyasen	Utsunomiya Line
一宇	いちう ichiu	one house; one roof
宙返り	ちゅうがえり chuugaeri	somersault; looping-the-loop
宙吊り	ちゅうづり chuuzuri	hanging in midair; suspended in midair
飛行	ひこう hikou	flight; flying; aviation
行動	こうどう koudou	action; conduct; behaviour

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.