King's Kung-Fu& Tai Chi

Chinese symbol for “improper”

不当
bù dàng
Traditional: 不當
unsuitable; improper; inappropriate

The closest CC-CEDICT match for improper is 不当 (bù dàng), defined as: unsuitable; improper; inappropriate.

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

不 bù
no, not, un-; negative prefix
radical 1 ⼀ · 4 strokes
当 dàng
appropriate, timely; to act, to serve; the sound of bells
radical 58 ⼹ · 6 strokes

Traditional forms

Other Chinese words for “improper”

WordPinyinMeaning
不伦 (不倫)bù lún(of a relationship) improper (adulterous, incestuous, teacher-student etc); unseemly
不端bù duānimproper; dishonorable
欠妥qiàn tuǒimproper; inappropriate
离谱 (離譜)lí pǔinappropriate; improper; out of place
非分fēi fènimproper; presumptuous

Related words

Other words that share a character with 不当.

WordPinyinMeaning
不是bù shìno; is not
不能bù néngcannot; must not
不会 (不會)bù huìimprobable; unlikely
不过 (不過)bù guòonly; merely
不同bù tóngdifferent; distinct
当时 (當時)dāng shíthen; at that time
当然 (當然)dāng ránonly natural; as it should be
当地 (當地)dāng dìlocal

See also: Japanese symbol for “improper”.

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.