King's Kung-Fu& Tai Chi

Chinese symbol for “efficacy”

效能
xiào néng
efficacy; effectiveness

The closest CC-CEDICT match for efficacy is 效能 (xiào néng), defined as: efficacy; effectiveness.

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.

Characters and stroke order

效 xiào
result, effect; effective
radical 66 ⽁ · 10 strokes
能 néng
can, may; capable, full of energy
radical 130 ⾁ · 10 strokes

Other Chinese words for “efficacy”

WordPinyinMeaning
功效gōng xiàoefficacy
效果xiào guǒresult; effect
效xiàoeffect; efficacy
功力gōng lìmerit; efficacy
实效 (實效)shí xiàoactual effect; practical result

Related words

Other words that share a character with 效能.

WordPinyinMeaning
有效yǒu xiàoeffective; in effect
效果xiào guǒresult; effect
效应 (效應)xiào yìngeffect (scientific phenomenon)
效率xiào lǜefficiency
生效shēng xiào(of a law, contract, agreement, ban etc) to come into force; to go into effect; to become operative
无效 (無效)wú xiàonot valid; ineffective
可能kě néngmight (happen); possible
不能bù néngcannot; must not

See also: Japanese symbol for “efficacy”.

Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3); Make Me a Hanzi (Arphic Public License (graphics.txt); LGPL-3.0-or-later (dictionary.txt)); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.