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動作する

dōsa suru
verb★Intermediate💡 operate
formal

To perform a function or activity; to operate.

このソフトウェアはWindows上で動作する。

This software operates on Windows.

ロボットが自律的に動作する。

The robot operates autonomously.

💡

Commonly used in technical and mechanical contexts to describe systems performing their intended functions.

Collocations

正常に動作するoperate normally自律的に動作するoperate autonomouslyシステムが動作するthe system operates

Synonyms

作動する稼働する機能する

Antonyms

停止する故障する

💡Pro Tip

Technical vs. General Usage

While '動作する' is often used for machines or software, avoid using it for human actions (e.g., '彼は動作する' is unnatural; use '彼は動く' or '彼は行動する' instead).

⚡Gold Rule

Contextual Appropriateness

Reserve '動作する' for systems, machines, or software. For human actions, prefer '動く' (move) or '行動する' (act).

📖Word Origin

Composed of '動作' (dōsa, meaning 'movement' or 'action') and the verb 'する' (suru, meaning 'to do'). '動作' itself is a noun-verb compound from '動く' (ugoku, 'to move') and '作用' (sayō, 'action' or 'function').

📝Usage Notes

Primarily used in technical, mechanical, or computational contexts. Avoid using in casual conversation unless referring to machinery or systems.

Word Breakdown

動作
movement/action/function
noun
+
する
to do
verb
和英辞典

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