Tiếng Việt · Word Attested

diễn biến

[ziən˦ˀ˥ ʔɓiən˧˦]

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

Sense 1

Both English Tiếng Việt

Meaning · English

(verb) to develop, unfold or transpire

Nghĩa · Tiếng Việt

phát triển, diễn ra

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

(noun) development (developing series of events)

Nghĩa · Tiếng Việt

sự phát triển

Machine-translated — suggest a fix

What does “diễn biến” mean?

(verb) to develop, unfold or transpire

Is “diễn biến” formal or informal?

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