(こうさいひ)

こうさいひ
noun
entertainment expenses; socializing costs
businesswork
1. entertainment expenses; socializing costs
Money spent on business entertainment, social engagements, and maintaining relationships. In business, this is an accounting category for client meals, gifts, and events. In personal life, it refers to costs of socializing.
交際費(こうさいひ)かさむ。
Entertainment expenses are piling up.
今月(こんげつ)交際費(こうさいひ)(おさ)えたい
I want to cut back on socializing expenses this month.
I entertained a business client using the company's entertainment budget.

In business accounting, 交際費(こうさいひ) is a specific expense category with tax implications — not all of it is tax-deductible. Common collocations: 交際費(こうさいひ)かさむ (expenses pile up), 交際費(こうさいひ)(けず) (to cut entertainment expenses), 交際費(こうさいひ)()とす (to write off as an entertainment expense). In personal budgeting, it covers costs like dining out with friends, wedding gifts (祝儀(しゅうぎ)), and seasonal gifts.