支部|しぶshibu[1]atamadaka (head-high)

1. no-adjectivebranch; branch office; subdivision
   あの支部しぶは炭鉱たんこう労働組合ろうどうくみあいに属ぞくしている。↗

   That branch is affiliated to the miners' union.

• Synonym支局しきょくWrittenA bureau set up away from head office, mainly by newspapers and broadcasters, as in 「支局長」. Leans toward media and is written in tone; 「支部」 is for party or group branches.
• Synonym支社ししゃNeutralA company's branch office away from head office, as in 「大阪支社」. Corporate usage, neutral register; 「支部」 is for political parties and organizations.
• SynonymブランチNeutralA loanword for branches, branch stores, tributaries, branch lines and departments — and brunch too. Neutral; 「支部」 is for parties and organizations.
• Synonym分会ぶんかいNeutralA chapter of a society or union set up by region or workplace. Close to 「支部」 in use, and neutral in register.
• Related支所ししょWrittenA branch office a company or agency sets up elsewhere, working under its instructions, e.g. 「区役所の支所」. Written register; 「支部」 leans to parties and groups.
• Related支署ししょWrittenA substation under a police station or tax office — administrative agencies. Written register; 「支部」 is for branches of parties and organizations.
• Related分院ぶんいんWrittenA branch of a hospital or temple, so medical and religious institutions. Written register; 「支部」 covers party and group branches instead.
• Related分団ぶんだんWrittenA unit split off from a larger body, typical of local groups like fire brigades. Written register; 「支部」 is the general party and group term.
• Related出店でみせNeutralA branch shop or a street stall. Strictly commercial — not used for political parties or associations. Neutral register.
• Related分店ぶんてんNeutralA chain store's branch, as in 「駅前分店」. Shop and business usage, neutral register; 「支部」 is for organizations and groups.
• Antonym本部ほんぶNeutralThe headquarters that branches sit under; the pair 「本部と支部」 contrasts them. Neutral register.

Use 「支部」 for a branch of a political party or other organization, as in 「党支部」. For media bureaus say 「支局」, for company branches 「支社」, for government or office branches 「支所」, for store branches 「分店」, and for society chapters 「分会」; 「本部」 is the headquarters they answer to.

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

1. 本部ほんぶの管理下かんりかにあり、本部ほんぶから分わかれて事務じむを扱あつかう所ところ。
2. 部首ぶしゅ「⽀」で分類ぶんるいした漢字かんじの一群いちぐん。