About

The word "无效" is formed by combining the character "无", meaning "without" or "not", with the character "效", meaning "effect" or "efficacy", to create a compound that literally signifies "without effect" or "ineffective", where the first character negates the meaning of the second.

Example Sentences Hide

这张优惠券已经无效了。

Zhè zhāng yōuhuìquàn yǐjīng wúxiào le.

This coupon is already invalid.

法院宣布那份合同无效。

Fǎyuàn xuānbù nà fèn hétong wúxiào.

The court declared that contract invalid.

他的道歉对我来说是无效的。

Tā de dàoqiàn duì wǒ lái shuō shì wúxiào de.

His apology is ineffective to me.

他们的抗议活动被认为是无效的。

Tāmen de kàngyì huódòng bèi rènwéi shì wúxiào de.

Their protest activity was deemed ineffectual.

没有可靠数据支撑的结论是无效的。

Méiyǒu kěkào shùjù chēngchēng de jiélùn shì wúxiào de.

Conclusions not supported by reliable data are invalid.

Word Definition - 无效

wú xiào invalid; ineffective; in vain

Individual Character Details

无 mó, wú
效 xiào, xiào, xiào, xiào