Japanese symbol for “unresponsive”

無反応

むはんのう

Romaji: muhannou

unresponsive; reactionless

In Japanese, unresponsive is 無反応, read むはんのう (muhannou).

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

adj-na unresponsive; reactionless

Kanji and stroke order

無

nothingness, none, ain't

on: ム、ブ
kun: な.い

12 strokes · JLPT 2

反

anti-

on: ハン、ホン、タン、ホ
kun: そ.る、そ.らす、かえ.す、かえ.る

4 strokes · JLPT 2

応

apply, answer, yes

on: オウ、ヨウ、-ノウ
kun: あた.る、まさに、こた.える

7 strokes · JLPT 2

Related words

Words that share a kanji.

Word	Reading	Meaning
無料	むりょう muryou	free (of charge); gratuitous
無理	むり muri	unreasonable; unnatural; unjustifiable
無事	ぶじ buji	safety; security; peace
無駄	むだ muda	futility; waste; uselessness
無線	むせん musen	radio (communication)
無理やり	むりやり muriyari	forcibly; by force; against one's will
反対	はんたい hantai	opposition; resistance; antagonism
反応	はんのう hannou	reaction; response
対応	たいおう taiou	correspondence (to); equivalence

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.