Japanese symbol for “fragility”

脆弱性

ぜいじゃくせい

Romaji: zeijakusei

vulnerability; weakness; fragility

In Japanese, fragility is 脆弱性, read ぜいじゃくせい (zeijakusei).

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 vulnerability; weakness; fragility
n vulnerability; security hole (comp)

Written forms: 脆弱性、ぜい弱性. Readings: ぜいじゃくせい.

Kanji and stroke order

脆

brittle, fragile, easy to beat

on: ゼイ、セイ、セツ
kun: もろ.い、よわい

10 strokes

弱

weak, frail

on: ジャク
kun: よわ.い、よわ.る、よわ.まる、よわ.める

10 strokes · JLPT 3

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
脆弱	ぜいじゃく zeijaku	weak; frail; fragile
脆い	もろい moroi	brittle; fragile; weak
脆性	ぜいせい zeisei	brittleness
脆化	ぜいか zeika	embrittlement
水素脆化	すいそぜいか suisozeika	hydrogen embrittlement
弱い	よわい yowai	weak; frail; delicate
弱点	じゃくてん jakuten	weak point; weakness; shortcoming
弱み	よわみ yowami	(a) weakness; shortcoming; failing
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.