English · Phrasal verb Attested

muscle in on

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

Both English Tiếng Việt

Meaning · English

To interfere with, or intrude on something forcibly.

Nghĩa · Tiếng Việt

can thiệp hoặc xâm phạm một cách mạnh bạo

Machine-translated — suggest a fix

Where it’s used: Used American English

The Russian Mafia did not take too kindly to a Westerner muscling in on their market, and so decided to send a little message.

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).

Common questions

What does “muscle in on” mean?

To interfere with, or intrude on something forcibly.

Is “muscle in on” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.

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