English · Phrasal verb Attested

double up

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

Sense 1

Both English Tiếng Việt

Meaning · English

To double the quantity, amount or duration of something

Nghĩa · Tiếng Việt

Tăng gấp đôi số lượng hoặc thời gian

Machine-translated — suggest a fix

Where it’s used: Used American English

Examples

I'm going to double up my enlistment.

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 double one's amount of chips by winning an all-in pot.

Nghĩa · Tiếng Việt

Tăng gấp đôi số chip bằng cách thắng

Machine-translated — suggest a fix

Sources & notes

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

Sense 3

Both English Tiếng Việt

Meaning · English

To bend, bend over; to fold; to stoop.

Nghĩa · Tiếng Việt

Cúi hoặc gập người

Machine-translated — suggest a fix

Sources & notes

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

Sense 4

Both English Tiếng Việt

Meaning · English

to pair off, or "chum" with another man; to beat severely, so as to leave the sufferer "all of a heap."

Nghĩa · Tiếng Việt

ghép đôi hoặc đánh đập mạnh

Machine-translated — suggest a fix

Era: ca. 1874 (Victorian)

Where it’s used: Origin British & Irish English

Sources & notes

Historical definition reproduced from Hotten’s The Slang Dictionary (1874, public domain; Project Gutenberg #42108, retrieved 2026-07-31). Reflects the attitudes of its era.

Topics: Historical slang (1800s)

Common questions

What does “double up” mean?

To double the quantity, amount or duration of something

Is “double up” formal or informal?

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