English · Phrasal verb Attested

bulk up

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

Sense 1

Both English Tiếng Việt

Meaning · English

To gain weight.

Nghĩa · Tiếng Việt

Tăng cân

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 increase the weight of.

Nghĩa · Tiếng Việt

Tăng trọng lượng của

Machine-translated — suggest a fix

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 train the body with a high-calorie diet and intense weightlifting in order to increase the overall mass of the body, especially the muscles.

Nghĩa · Tiếng Việt

Tập thể dục với chế độ ăn nhiều calo và nâng tạ để tăng khối lượng cơ thể

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 “bulk up” mean?

To gain weight.

Is “bulk up” formal or informal?

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

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