lâu ngày
[ləw˧˧ ŋaj˨˩]
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
(adverb) for a long time
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
Lâu ngày chưa gặp bạn.I haven't seen you, my friend, for a long time.
Được, nhưng phải để má tập đi mới cầm roi được. Nằm lâu ngày quên mất đi rồi.OK, but you'll have to let me practice holding the rod. I've forgotten lying here for a long time.
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) over time (gradually, as time passes)
Common questions
What does “lâu ngày” mean?
(adverb) for a long time
Is “lâu ngày” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.