Tiếng Việt · Word Attested

hai

[haːj˧˧]

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

Sense 1

Both English Tiếng Việt

Meaning · English

(adjective) eldest or elder; firstborn

Nghĩa · Tiếng Việt

lớn nhất hoặc lớn tuổi; con đầu lòng

Machine-translated — suggest a fix

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

anh/chị haieldest brother/sister

bác haieldest brother/sister of one's parent

Nhà tôi có hai con mèo.I have two cats.

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

(interjection) cheese! (said while being photographed)

Nghĩa · Tiếng Việt

phát ra âm thanh khi chụp ảnh

Machine-translated — suggest a fix

What does “hai” mean?

(adjective) eldest or elder; firstborn

Is “hai” formal or informal?

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