Japanese symbol for “invariance”

不変性

ふへんせい

Romaji: fuhensei

invariance

In Japanese, invariance is 不変性, read ふへんせい (fuhensei).

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 invariance (math)

Kanji and stroke order

不

negative, non-, bad

on: フ、ブ

4 strokes · JLPT 3

変

unusual, change, strange

on: ヘン
kun: か.わる、か.わり、か.える

9 strokes · JLPT 2

性

sex, gender, nature

on: セイ、ショウ
kun: さが

8 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
大変	たいへん taihen	very; greatly; terribly
変更	へんこう henkou	change; modification; alteration
女性	じょせい josei	woman; female

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.