English · Phrasal verb Attested

yellow up

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

Sense 1

Both English Tiếng Việt

Meaning · English

To become or make (something) yellow, such as a material aging, a plant leaf or fruit ripening or developing a rust disease.

Nghĩa · Tiếng Việt

Trở nên hoặc làm cho (điều gì đó) vàng

Machine-translated — suggest a fix

Where it’s used: Used American English

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 put on yellowface; to imitate or pretend to be of East Asian descent.

Nghĩa · Tiếng Việt

Ngồi imitate hoặc giả vờ là người gốc Đông Á

Machine-translated — suggest a fix

Sources & notes

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

Topics: Colors

What does “yellow up” mean?

To become or make (something) yellow, such as a material aging, a plant leaf or fruit ripening or developing a rust disease.

Is “yellow up” formal or informal?

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