English · Phrasal verb Attested

slack off

In real, traceable use. Part of the curated seed collection; community review is coming.

Sense 1

Both English Tiếng Việt

Meaning · English

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

Nghĩa · Tiếng Việt

Làm việc hoặc học tập không nghiêm túc

Machine-translated — suggest a fix

Where it’s used: Used American English

Emily is slacking off since this is her last semester; she completely stopped trying to make good grades.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Both English Tiếng Việt

Meaning · English

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

Nghĩa · Tiếng Việt

Giảm cường độ; giảm nhẹ; suy yếu

Machine-translated — suggest a fix

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

What does “slack off” mean?

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

Is “slack off” formal or informal?

slack off is generally informal.

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