English · Phrasal verb Attested

muddle up

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

Sense 1

Both English Tiếng Việt

Meaning · English

to confuse (one or more objects with another object or other objects)

Nghĩa · Tiếng Việt

làm cho混 lẫn

Machine-translated — suggest a fix

Where it’s used: Used American English

Whenever I meet the twins, I always muddle up their names. I call John Jim, and Jim John.

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 mix together

Nghĩa · Tiếng Việt

trộn lẫn

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 “muddle up” mean?

to confuse (one or more objects with another object or other objects)

Is “muddle up” formal or informal?

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