Last Updated：2025/11/29

(informal) To be deliberately unproductive in one's work or study. / To decrease in intensity; to ease off; to diminish; to die down.

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slack off

Source Word

slack off

informal

Japanese Meaning

（仕事や勉強において）故意に生産性を下げる、怠ける / （物事の強さや勢いが）徐々に弱まる、緩む / （刺激や緊張感が）和らぐ、落ち着く

If you slack off on your assignments now, you'll regret it during finals.

今宿題をサボると、期末試験のときに後悔します。

Sense（1）

(informal) To be deliberately unproductive in one's work or study.

Sense（2）

To decrease in intensity; to ease off; to diminish; to die down.

Thankfully the hail slacked off after a few minutes.

slacks off

（ present singular third-person ）

slacking off

（ participle present ）

slacked off

（ participle past ）

slacked off

（ past ）