không không

[xəwŋ͡m˧˧ xəwŋ͡m˧˧]

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

Sense 1

Meaning · English

(adjective) frivolous

Nghĩa · Tiếng Việt

vô ích, không nghiêm túc

Machine-translated — suggest a fix

Register: informal

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

Examples

chuyện không khôngfrivolous matters

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 ↗

Sense 2

Meaning · English

(adverb) suddenly; all of a sudden; spontaneously

Nghĩa · Tiếng Việt

đột ngột, tự nhiên

Machine-translated — suggest a fix

Register: informal

Common questions

What does “không không” mean?

(adjective) frivolous

Is “không không” formal or informal?

không không is generally informal.