Chinese word

无效

Pronunciation

Pinyinwú xiào

Meaning

  • adjectiveinvalid

Example

这个密码无效。zhè ge mì mǎ wú xiào

This password is invalid.

Illustration for 无效 (invalid)

More examples

这份证据被法庭认定为无效，不能作为定罪依据。zhè fèn zhèng jù bèi fǎ tíng rèn dìng wéi wú xiào bù néng zuò wéi dìng zuì yī jù

The court found this evidence invalid, so it cannot be used as the basis for a conviction.

Core concept

A method, object, or document whose intended effect does not take hold.

Common phrases

  • 无效的裁决wú xiào de cái jué

    invalid ruling

  • 被判定为无效bèi pàn dìng wéi wú xiào

    be deemed invalid

  • 宣告为无效xuān gào wèi wú xiào

    be declared invalid

Similar words

过期guò qī: Past its validity period and no longer usable or accepted.
失效shī xiào: Having lost its ability to produce the required effect.
无用wú yòng: Not useful for a purpose and lacking practical value.

Definition in Chinese

表示某事物或某行为不能产生预期的作用或效果，常用于描述方法、设备、凭证等在特定条件下不起作用或无效力。biǎo shì mǒu shì wù huò mǒu xíng wéi bù néng chǎn shēng yù qī de zuò yòng huò xiào guǒ cháng yòng yú miáo shù fāng fǎ shè bèi píng zhèng děng zài tè dìng tiáo jiàn xià bù qǐ zuò yòng huò wú xiào lì

Word origin

无 (wú, "without") + 效 (xiào, "effect") forms a term for something that produces no effective result.

Usage tips

  • In everyday notices, this word often describes a code, ticket, or document that no longer works under the current conditions, so it marks a status rather than a personal quality.

Other meanings

  • doesn't workadjective
  • ineffectiveadjective

Opposites

Related words

  • 无效性wú xiào xìnginvaliditynoun

Word lists with this word