thất vọng
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
(adjective) disappointed
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
Cậu làm tôi thất vọng quá !I'm really disappointed in you, young man!
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
(noun) disappointment
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Common questions
What does “thất vọng” mean?
(adjective) disappointed
Is “thất vọng” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.
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