成文|せいぶんseibun[0]heiban (flat)

1. nounwritten expression; writing

• Synonym書き物かきものNeutralThings written down or the act of writing itself; colloquial and somewhat dated. 「成文」 leans written and formal, for a finished, structured text.
• Related文書ぶんしょNeutralThe written document itself — official papers, contracts and the like; broad in scope. 「成文」 focuses on putting content into written form or provisions.
• Related書類しょるいNeutralUmbrella term for documents and papers; everyday office word, as in 「書類を提出する」. 「成文」 is about the act of writing something into text.
• Related書付かきつけNeutralNotes, slips or bills with writing on them; an old-fashioned term. 「成文」 is for texts or provisions that have been written out.
• Antonym不文ふぶんWrittenWritten/formal: not put into writing; seen chiefly in 「不文律」. The direct opposite of 「成文」, which means written into provisions.

Use 「成文」 for putting content into written text or provisions, as in 「成文化」 and 「成文法」. For the documents themselves, use 「文書」 or 「書類」; unwritten rules are 「不文律」, built on 「不文」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 文章ぶんしょうとして書き表かきあらわすこと。また、その文ぶん。