phù du
[fu˨˩ zu˧˧]
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
(noun) a mayfly
Register: formal
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
Phù du thường xuất hiện gần mặt nước.Mayflies often appear near the water.
Editorial example (contributed-collins-enriched)
Sources & notes
Imported from Wiktionary (CC BY-SA 4.0, retrieved 2026-07-29); community review pending. source ↗ Local usage: Phù du can also figuratively mean fleeting or short-lived. [contributed-collins-enriched]
Sense 2
Meaning · English
(adjective) ephemeral
Register: formal
Common questions
What does “phù du” mean?
(noun) a mayfly
Is “phù du” formal or informal?
phù du is generally formal.