区分|くぶんkubun[0]heiban (flat)

1. noun, suru verb, transitive verbdivision; section; demarcation; partition; segmentation; compartment; (traffic) lane
   土地とちは８つに区分くぶんされた。↗

   The land was divided into 8 lots.
2. noun, suru verb, transitive verbclassification; sorting; grouping; segmentation
3. noun, suru verb, transitive verb, logicdivision

• Synonym区別くべつNeutralAbout telling two things apart, as in 「善悪の区別」; stresses discerning differences, while 「区分」 stresses drawing lines to divide a whole. Neutral.
• Synonym分類ぶんるいNeutralSorting things by nature into categories, as in 「植物の分類」; leans toward systematic grouping, while 「区分」 leans toward dividing up a scope. Neutral.
• Synonym種別しゅべつWrittenWritten/formal; classifying by type, often in form fields such as 「種別欄」.
• Synonym区画くかくNeutralDividing land or space into blocks, as in 「区画整理」; leans toward plots and compartments. Neutral.
• Synonym分別ぶんべつNeutralSorting rubbish and the like, as in 「分別収集」; leans toward everyday sorting. Neutral.
• Synonym区分けくわけNeutralDividing up blocks, as in 「土地を区分けする」; close in meaning to 「区分」. Neutral.
• Synonym仕切るしきるNeutralTo partition with dividers, or to run things, as in 「部屋を仕切る」「会を仕切る」. Neutral.
• Synonym分割ぶんかつWrittenRead 「ぶわり」; means rates and commissions, distinct from the common 「分割（ぶんかつ）」; only loosely related to 「区分」. Written/formal.
• Synonym分けるわけるNeutralThe most common word; to divide or distribute; broader in range than 「区分」. Neutral.
• Synonym区切るくぎるNeutralTo mark off or break up, as in 「文を区切る」; leans toward cutting out paragraphs or phrases. Neutral.
• Synonym類別るいべつWrittenWritten/formal; classifying by category, close to 「分類」 but rarely used.
• Synonym部別ぶべつWrittenWritten/formal; dividing into several classes; rare today — say 「分類」 in daily use.
• Synonym区割りくわりNeutralMarking out areas, as in 「選挙区の区割り」; leans toward administrative zoning. Neutral.
• Synonymカテゴリー化カテゴリーかNeutralAssigning things to categories; leans toward academic and IT usage. Neutral.
• Related選別せんべつNeutralSelecting by screening, as in 「品質で選別する」; leans toward picking out good from bad. Neutral.
• Related仕分けしわけNeutralSorting items into groups, as in logistics 「仕分け作業」; leans toward physically sorting goods. Neutral.
• Related分かつわかつWrittenWritten/formal; to divide or share, as in 「袂を分かつ」; carries a literary flavor.
• Related整理せいりNeutralTidying and organizing; leans toward putting things in order, not necessarily dividing. Neutral.
• Related口分けくちわけNeutralA mixed assortment of varieties; rarely used today. Neutral.
• Related仕分けるしわけるNeutralVerb for sorting items into groups; leans toward logistics and accounting. Neutral.
• Related取り分けるとりわけるNeutralServing food out onto individual plates, as in 「料理を取り分ける」; also picking something out. Neutral.
• Related部分けぶわけNeutralDividing things into several groups; few examples — say 「分類」 in daily use. Neutral.
• Antonym統合とうごうWrittenAntonym. Written/formal; integrating and unifying, the opposite of dividing into blocks with 「区分」.
• Antonym合併がっぺいWrittenAntonym. Written/formal; merging into one, the opposite of 「区分」's dividing apart.
• Antonym融合ゆうごうWrittenAntonym. Written/formal; fusing into one whole, the opposite of 「区分」's keeping things apart.

Use 「区分」 to divide a whole into blocks by a standard, as in 「年齢で区分する」. To tell things apart say 「区別」; for systematic grouping 「分類」; for land or space blocks 「区画」. 「種別」「類別」「部別」 are written-style; 「分別」 is rubbish sorting, 「選別」 screening by quality, 「区割り」 zoning, 「仕分け」 physical sorting, 「カテゴリー化」 academic/IT. The opposite is 「統合」.

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

1. ある事物じぶつの全体ぜんたいを区切くぎって分わけること。また分わけられた領域りょういきや範疇はんちゅうなど。
2. （くぶん）上位じょうい概念がいねんをそれに従属じゅうぞくする下位かい概念がいねんに分わけること。