English · Phrasal verb Attested

color up

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

Also seen as: colour up

Sense 1

Both English Tiếng Việt

Meaning · English

To blush (to go red).

Nghĩa · Tiếng Việt

Xanh mặt (trở nên đỏ)

Machine-translated — suggest a fix

Where it’s used: Used American English

Examples

Alice had already begun to colour up and was beginning to speak, when her Ladyship perceiving her displeasure, continued thus.

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).

Sense 2

Both English Tiếng Việt

Meaning · English

To exchange a high number of low-value chips (of one color) for a lower number of higher value (of a different color), but keeping the same overall value.

Nghĩa · Tiếng Việt

Đổi nhiều chip giá trị thấp (màu nhất định) lấy ít chip giá trị cao hơn (màu khác) nhưng giữ giá trị tổng thể

Machine-translated — suggest a fix

Sources & notes

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

Common questions

What does “color up” mean?

To blush (to go red).

Is “color up” formal or informal?

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