King's Kung-Fu& Tai Chi

Chinese symbol for “unwritten”

不成文
bù chéng wén
unwritten (rule)

The closest CC-CEDICT match for unwritten is 不成文 (bù chéng wén), defined as: unwritten (rule).

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
成 chéng
to accomplish; to become; to complete, to finish; to succeed
radical 62 ⼽ · 7 strokes
文 wén
culture, literature, writing
radical 67 ⽂ · 4 strokes

Related words

Other words that share a character with 不成文.

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
成为 (成為)chéng wéito become; to turn into
完成wán chéngto complete; to accomplish
成功chéng gōngto succeed; success
文化wén huàculture; civilization

See also: Japanese symbol for “unwritten”.

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.