English · Phrasal verb Attested

start up

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

Sense 1

Both English Tiếng Việt

Meaning · English

To rise suddenly.

Nghĩa · Tiếng Việt

tăng lên đột ngột

Machine-translated — suggest a fix

Where it’s used: Used American English

He started up when he heard the scream.

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 commence the operation of; to activate; to launch.

Nghĩa · Tiếng Việt

bắt đầu hoạt động; kích hoạt; ra mắt

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 begin to operate.

Nghĩa · Tiếng Việt

bắt đầu vận hành

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 “start up” mean?

To rise suddenly.

Is “start up” formal or informal?

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