nan giải
[naːn˧˧ zaːj˧˩]
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
(adjective) difficult to solve
Adjective
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 ↗
Common questions
What does “nan giải” mean?
(adjective) difficult to solve
Is “nan giải” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.