脆ぜい弱じゃく性せい

ぜ

い

じゃ

く

せ

い

Meanings

1

General noun for the state of being easily damaged, attacked, or hurt. Used for physical objects, systems, organizations, and people.

れ

た

。

The vulnerability of this system was pointed out.

高こう齢れい者しゃの脆ぜい弱じゃく性せいを考こう慮りょした政せい策さくが必ひつ要ようだ。

Policies that consider the vulnerability of the elderly are necessary.

2

Computing term for a flaw or weakness in software, hardware, or a network that can be exploited.

脆ぜい弱じゃく
脆弱 is a na-adjective meaning 'fragile' or 'vulnerable', while 脆弱性 is the noun form referring to the quality or state of being vulnerable.
弱じゃく点てん
弱点 means 'weak point' or 'weakness' in a more concrete sense, often a specific flaw. 脆弱性 is broader and more abstract, often used in technical or systemic contexts.

耐たい久きゅう性せいN1
耐久性 describes how well something resists damage over time, while 脆弱性 describes its weakness or vulnerability to being damaged.

Compound of 脆弱 (ぜいじゃく, 'fragile, vulnerable') + 性 (せい, '-ity, -ness'), forming an abstract noun meaning 'vulnerability'.