hiệu nghiệm
[hiəw˧˨ʔ ŋiəm˧˨ʔ]
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
(noun) apparent effect
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
Cải cách đã có hiệu nghiệm.The reform has an apparent effect.
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
(adjective) apparently effective
Examples
Thuốc đó rất hiệu nghiệm.That medicine is very effective.
Tiến công là một cách duy nhất hiệu nghiệm để tiêu diệt quân địch.Attack is the only effective way to destroy the enemy.
Wiktionary example (CC BY-SA 4.0)
Common questions
What does “hiệu nghiệm” mean?
(noun) apparent effect
Is “hiệu nghiệm” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.