工事（こうじ、kouji）
- construction

The Japanese word 工事 工事 (こうじ) primarily means "construction," "construction work," "civil engineering," or "project." It refers to the act or process of building, repairing, or altering something, such as buildings, roads, bridges, or infrastructure. It encompasses a wide range of activities, from small-scale repairs to large-scale construction projects. It can also refer to the finished "construction" itself, the end product of the work.

⚫︎新しいビルの工事 Translation: New building construction. ⚫︎道路の工事が始まりました。 Translation: Road construction has started. ⚫︎電気工事 Translation: Electrical work.

工事工事 is used in various contexts related to construction and engineering. ⚫︎It's frequently used in announcements and signs at construction sites. ⚫︎It can be used to describe both the ongoing work (the process) and the finished product. ⚫︎When talking about specific types of construction, it is often combined with other words (e.g., 電気工事 [電気工事] - electrical work, 土木工事 - civil engineering).

⚫︎The word is primarily written using the kanji 工事 工事. ⚫︎The reading is こうじ in hiragana. ⚫︎There are no significant variations in okurigana. ⚫︎The kanji is often used to ensure correct and precise writing.

⚫︎建設 (けんせつ) - construction (broader term). ⚫︎土木 (どぼく) - civil engineering. ⚫︎作業 (さぎょう) - work; operation (can be used in construction contexts). ⚫︎プロジェクト (purojekuto) - project (particularly for larger-scale endeavors).

⚫︎While there isn't a direct antonym, words that imply the *end* of construction or the *removal* of something would be related. ⚫︎解体 (かいたい) - demolition. ⚫︎完成 (かんせい) - completion.

この橋の工事は来年まで続く予定です。 ・Translation: The construction of this bridge is scheduled to continue until next year. ・Explanation: This sentence describes the duration of the construction project.

工事中につき、通行止めです。 ・Translation: Road closed due to construction. ・Explanation: This is a common sign used to inform people about road closures due to construction work.

The word 工事 工事 is a combination of two kanji: 工 (こう) meaning "work," "craft," "construction," and 事 (じ) meaning "matter," "thing," "affair," or "business." Therefore, 工事 工事 literally means "work matter" or "construction affair," and signifies activities like construction.