English · Phrasal verb Attested

liven up

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

Sense 1

Both English Tiếng Việt

Meaning · English

To improve a person's mood by making them more energetic.

Nghĩa · Tiếng Việt

Cải thiện tâm trạng của một người bằng cách làm cho họ năng động hơn

Machine-translated — suggest a fix

Where it’s used: Used American English

Darren looks down at the moment; let's try to liven him up.

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 become more happy, energetic or positive.

Nghĩa · Tiếng Việt

Trở nên hạnh phúc, năng động hoặc tích cực hơn

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 “liven up” mean?

To improve a person's mood by making them more energetic.

Is “liven up” formal or informal?

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