Japanese symbol for “inactivation”

不活性化

ふかっせいか

Romaji: fukasseika

inactivation

In Japanese, inactivation is 不活性化, read ふかっせいか (fukasseika).

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, vs inactivation

Kanji and stroke order

不

negative, non-, bad

on: フ、ブ

4 strokes · JLPT 3

活

lively, resuscitation, being helped

on: カツ
kun: い.きる、い.かす、い.ける

9 strokes · JLPT 2

性

sex, gender, nature

on: セイ、ショウ
kun: さが

8 strokes · JLPT 2

化

change, take the form of, influence

on: カ、ケ
kun: ば.ける、ば.かす、ふ.ける、け.する

4 strokes · JLPT 2

Related words

Words that share a kanji.

Word	Reading	Meaning
不明	ふめい fumei	unclear; obscure; indistinct
不安	ふあん fuan	anxiety; uneasiness; worry
不足	ふそく fusoku	insufficiency; deficiency; shortage
不満	ふまん fuman	dissatisfaction; discontent; displeasure
不可能	ふかのう fukanou	impossible
不思議	ふしぎ fushigi	wonderful; marvelous; strange
生活	せいかつ seikatsu	life; living
活動	かつどう katsudou	activity (of a person, organization, animal, volcano, etc.); action; operation
女性	じょせい josei	woman; female
文化	ぶんか bunka	culture; civilization; civilisation

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.