Tiếng Việt · Word Attested

cơ

[kəː˧˧]

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

Sense 1

Both English Tiếng Việt

Meaning · English

(noun) muscle

Nghĩa · Tiếng Việt

cơ bắp

Machine-translated — suggest a fix

co cơmuscle contraction

Wiktionary example (CC BY-SA 4.0)

Sources & notes

Imported from Wiktionary (CC BY-SA 4.0, retrieved 2026-07-29); community review pending. source ↗

Both English Tiếng Việt

Meaning · English

(noun) hearts

Nghĩa · Tiếng Việt

trái tim

Machine-translated — suggest a fix

Both English Tiếng Việt

Meaning · English

(noun) a cue stick

Nghĩa · Tiếng Việt

gậy đánh bi-a

Machine-translated — suggest a fix

Both English Tiếng Việt

Meaning · English

(particle) Final emphatic particle

Nghĩa · Tiếng Việt

Particle nhấn mạnh ở cuối

Machine-translated — suggest a fix

Where it’s used: Used Miền Bắc · Northern Vietnam • Wiktionary labels this sense “Northern”

Không chịu đâu! Mẹ phải đi cùng cơ!I won't stand that! Mom must go too!

Wiktionary example (CC BY-SA 4.0)

What does “cơ” mean?

(noun) muscle

Is “cơ” formal or informal?

cơ is generally informal.