Last Updated：2025/11/20

(sometimes figuratively) The power that enables something to move. / (rail transport, collectively) The locomotives that operate on a railway.

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motive power

Source Word

motive power

figuratively sometimes uncountable usually collective

Japanese Meaning

（比喩的に）物体を動かす力、推進力 / （鉄道において集合的に）運転する機関車

Her curiosity became the motive power behind the entire research project.

彼女の好奇心がその研究プロジェクト全体の原動力になった。

Sense（1）

(sometimes figuratively) The power that enables something to move.

Sense（2）

(rail transport, collectively) The locomotives that operate on a railway.

motive powers

（ plural ）