交際費

• 読み: こうさいひ
• ローマ字: kousaihi
• 漢字の分解: 交 (kō) — intersect, mix; 際 (sai) — occasion; 費 (hi) — expense, cost
• 発音: /koː.sai.hi/

意味

Entertainment expenses; socialising costs. Money spent on business entertainment or social obligations.

A noun for expenses incurred through social or business entertaining — dining clients, gift-giving, attending events. In Japanese tax law, 交際費 has a specific definition as a deductible business expense. Also used more casually for personal social spending. Common phrases: 交際費がかさむ (entertainment costs pile up), 交際費で落とす (to write off as entertainment expense).

例文

1. 今月は歓迎会が多くて交際費がかさんでしまった。
2. 会社の交際費で取引先との食事代を支払った。
3. 交際費の使いすぎに注意するようにと言われた。

使い方ガイド

場面: business, accounting, tax

トーン: professional

起源と歴史

Compound of 交際 (social interaction, association) + 費 (expense, cost). 交際 itself combines 交 (intersect, mix) + 際 (occasion, edge).

文化的背景

時代: Modern

世代: Adults

社会的背景: Business