English · Idiom Candidate

split up

Proposed by a contributor, not yet supported by evidence.

Sense 1

Both English Tiếng Việt

Meaning · English

to separate or divide into parts

Nghĩa · Tiếng Việt

phân chia hoặc chia thành nhiều phần

Machine-translated — suggest a fix

Literally: divide into separate parts

Where it’s used: Used Widespread English

Examples

The couple decided to split up after five years together

AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)

Sources & notes

Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-31; pending editor spot-check.

Sense 2

Both English Tiếng Việt

Meaning · English

long in the legs. Among athletes, a man with good length of limb is said to be "well SPLIT UP."

Nghĩa · Tiếng Việt

Dài ở chân

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 “split up” mean?

to separate or divide into parts Literally: divide into separate parts

Is “split up” formal or informal?

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