thuộc
[tʰuək̚˧˨ʔ]
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
(verb) to belong to, to be subordinate to, or to be under the management of
Register: formal
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
thuộc PhápFrench
cơ quan thuộc Bộ Chính trịan institution of the Politburo
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
(verb) to be a proper subset of
Register: formal
Examples
A thuộc B (A ⊂ B)A is a proper subset of B
Wiktionary example (CC BY-SA 4.0)
Sense 3
Meaning · English
(verb) to know (lesson, road, etc.) by heart
Register: formal
Sense 4
Meaning · English
(verb) to tan (leather)
Register: formal
Common questions
What does “thuộc” mean?
(verb) to belong to, to be subordinate to, or to be under the management of
Is “thuộc” formal or informal?
thuộc is generally formal.