thất bại

[tʰət̚˧˦ ʔɓaːj˧˨ʔ]

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

Sense 1

Meaning · English

(verb) to fail; to be unsuccessful

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 ↗

Sense 2

Meaning · English

(verb) to be defeated

Sense 3

Meaning · English

(noun) failure

Common questions

What does “thất bại” mean?

(verb) to fail; to be unsuccessful

Is “thất bại” formal or informal?

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