thay
[tʰaj˧˧]
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
(verb) to change; to replace
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 act in place of, to act on behalf of, to act for
Examples
thay trời hành đạoto enforce the Way on behalf of Heaven
Wiktionary example (CC BY-SA 4.0)
Sense 3
Meaning · English
(adverb) Used as a modifier to indicate surprise.
Examples
Kỳ lạ thay, sự lạnh lẽo của Luisa với đàn ông lại là nguồn năng lượng dồi dào làm tiệm nhuộm của cô khởi sắc.How strange: Luisa's aloofness towards men was an abundant source of energy making her dyeing shop thrive.
Wiktionary example (CC BY-SA 4.0)
Common questions
What does “thay” mean?
(verb) to change; to replace
Is “thay” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.