公こう用よう

こ

う

よ

う

Common wordJLPTN1Freq.FrequencyTop 50,000

Meanings

1

noun

official business; government business; public business

Refers to duties or affairs conducted in an official capacity, as opposed to private matters. Often used in contexts like government, company, or organizational work.

Antonyms: 私用

公こう用ようで大おお阪

さか

に

出しゅっ

張ちょう

し

ます

。

I'm going on a business trip to Osaka on official business.

この電でん話わは公こう用ようですので、私し用ようには使つかわないでください。

This phone is for official use, so please do not use it for personal matters.

2

noun, noun which may take the genitive case particle 'no'

public use; government use

Describes something designated for official or public purposes, often modifying nouns with の. Antonym of 私用 (private use).

Antonyms: 私用

公こう用よう車しゃで移い動どうする。
Travel by official vehicle.
この施し設せつは公こう用ように供きょうされている。
This facility is provided for public use.

Usage patterns

公こう用ようで〈場ば所しょ〉へ行いくto go somewhere on official/government business
部ぶ長ちょうは公こう用ようでアメリカへ行いった。
The manager went to America on official business.
公こう用ようの〈物もの〉designated for official/government use
この電でん話わは公こう用ようのものです。
This phone is for official use only.
公こう用ようと私し用ようを区く別べつするto distinguish between official and personal use
公こう用ようと私し用ようをきちんと区く別べつしてください。
Please clearly distinguish between official and personal use.

Kanji

公public, prince, official
用utilize, business, service

Related words

公こう務むN2sense 1
公務 specifically denotes official duties carried out in a public office or government post, whereas 公用 more broadly covers official business or designated public/government use of things.

Opposites

私し用ようN1sense 1
personal use; private use · private business; personal business

Don't confuse with

公こう務むN2
公用 refers to official use or purpose (e.g. an official trip), while 公務 refers to the duties or tasks themselves that a public servant performs.

Word family

公こう用よう文ぶん
official document; official terminology
公こう用よう物ぶつ
public property
公こう用よう語ご
official language
公こう用よう車しゃ
official vehicle; company car; government vehicle

Etymology

Compound of 公 (public, official) and 用 (use, business). The meaning is transparent from its components.

公こう用よう収しゅう用よう

eminent domain; official expropriation

公こう用よう言げん語ご

official language