Last Updated：2025/11/22

Any action that has an influence due to a past event / An opposing action; a reaction

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retroaction

Source Word

retroaction

Noun

countable uncountable

Any action that has an influence due to a past event / An opposing action; a reaction

Japanese Meaning

過去の出来事によって影響を及ぼす行動 / 反対の働き；反作用（反応）

The scientist noted that the retroaction of the earlier policy changes caused unexpected shifts in public behavior.

科学者は、以前の政策変更の遡及的な影響が予想外の市民行動の変化を引き起こしたと指摘した。

Sense（1）

Any action that has an influence due to a past event

Sense（2）

An opposing action; a reaction

retroactions

（ plural ）