Japanese Symbol for

無限

mugen

infinity · boundless · limitless

Readings

  • 無 ONム・ブmu / bu (nothing, without)
  • 無 KUNな(い)nai (there is not)
  • 限 ONゲンgen (limit, boundary)

Meaning

Infinity, boundlessness, limitlessness. 無限 combines 無 (nothing, without, nothingness) with 限 (limit, boundary) — literally "without limit." 無 is also the Buddhist concept of nothingness, making this word philosophically rich.

無限大

mugen-dai

infinity (mathematical)

mu

nothingness, void (Buddhist/Zen)

無限ループ

mugen rūpu

infinite loop

無限の可能性

mugen no kanōsei

infinite possibilities

無限軌道

mugen kidō

caterpillar track (infinite orbit)

無限城

Mugen-jō

Infinity Castle (Demon Slayer)

無 (mu — nothingness) is one of Zen Buddhism's most profound concepts — the kōan 無 (mu) is the first puzzle given to Zen students, with no logical answer, designed to push the mind beyond rational thought. 無限城 (Mugen-jō — Infinity Castle) from the anime Demon Slayer brought this kanji to global audiences.

Learn to read Japanese

Hiragana and katakana are the keys to reading Japanese. Our free trainers get them locked in fast.