Copyright © 2026 Kotomora. All Rights Reserved.

Words Kanji Guides About

脆弱 (ぜいじゃく) Japanese meaning | Kotomora

脆ぜい弱じゃく

ぜ

い

じゃ

く

Common wordFreq.FrequencyTop 10,000

Meanings

1

na-adjective, noun

weak; frail; fragile

Describes physical, structural, or systemic weakness; often used in technical, security, or organizational contexts.

このシステムはセキュリティが脆ぜい弱じゃくだ。
This system has weak security.
高こう齢れい者しゃは骨ほねが脆ぜい

弱じゃく

に

なり

やすい

。

Elderly people tend to have fragile bones.

Written forms

脆ぜい弱じゃくUsage92%
Standard kanji spelling; used in news and technical contexts.
ぜい弱じゃくUsage8%
search-only kanji form
Search-only form; not a standard written variant.
ぜいじゃくUsage1%

Kanji

脆brittle, fragile, easy to beat
弱weak, frail

Similar words

弱よわい
Common word for general weakness; 脆弱 is more formal and often implies structural or systemic fragility.
もろい
Emphasizes brittleness or emotional vulnerability; 脆弱 is broader and more technical.

Etymology

From Middle Chinese-derived kanji 脆 (brittle) and 弱 (weak). The exact historical derivation is uncertain, but the compound has been used in Japanese to mean 'fragile' or 'vulnerable'.