Tiếng Việt · Word Attested

khai

[xaːj˧˧]

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

Sense 1

Both English Tiếng Việt

Meaning · English

(verb) to declare, to state, to testify

Nghĩa · Tiếng Việt

tuyên bố, khai báo

Machine-translated — suggest a fix

Where it’s used: Used Toàn quốc & hải ngoại · Vietnam-wide & diaspora

Sources & notes

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

Both English Tiếng Việt

Meaning · English

(verb) to open

Nghĩa · Tiếng Việt

mở ra

Machine-translated — suggest a fix

Both English Tiếng Việt

Meaning · English

(verb) to dredge up

Nghĩa · Tiếng Việt

khai thác lên

Machine-translated — suggest a fix

Both English Tiếng Việt

Meaning · English

(adjective) having the smell of urine

Nghĩa · Tiếng Việt

có mùi nước tiểu

Machine-translated — suggest a fix

Amoniac có mùi khai đặc trưng.Ammonia has a characteristic urine-like smell.

Wiktionary example (CC BY-SA 4.0)

What does “khai” mean?

(verb) to declare, to state, to testify

Is “khai” formal or informal?

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