エンジン（エンジン、enjiン）
- engine

The Japanese word エンジン (エンジン) means "engine." It refers to a machine that converts energy into mechanical motion. It's most commonly associated with engines in vehicles like cars, motorcycles, and airplanes, but also applies to various other types of engines used in different machines.

⚫︎車（くるま）のエンジンが故障（こしょう）した。 Translation: The car's engine broke down. ⚫︎飛行機（ひこうき）のエンジンはとてもパワフルだ。 Translation: The airplane's engine is very powerful. ⚫︎ボートのエンジンを修理（しゅうり）しなければならない。 Translation: I have to repair the boat's engine.

エンジン (エンジン) is used in a wide variety of contexts to describe the power source of a machine. You'll hear it in conversations about vehicles, machinery, and even things like generators. It’s a very common and versatile word.

エンジン (エンジン) is always written in katakana. It's a loanword from the English word "engine." There are no other ways to write this word. Okurigana is not applicable here.

There aren't many direct synonyms for エンジン (エンジン) in Japanese. Depending on the context, you might use more descriptive phrases, but no single word has the same meaning.

There aren't direct antonyms for エンジン (エンジン) that mean the direct opposite. The opposite state would depend on the context of the word itself. For example, if we describe a working engine, the antonym could be a broken, non-working engine.

その車（くるま）のエンジンはとても効率的（こうりつてき）だ。 ・Translation: That car's engine is very efficient. ・Explanation: This sentence describes the performance of an engine, highlighting its fuel efficiency.

新しいエンジンは、古いエンジンよりも静（しず）かだ。 ・Translation: The new engine is quieter than the old engine. ・Explanation: This sentence compares two different engines based on their noise level.

エンジン (エンジン) is a loanword from the English word "engine," which itself comes from the Latin word "ingenium," meaning "ingenuity" or "cleverness."