đã
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
(particle) having completed this action, perfect aspect
Register: informal
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
Đã xong!Done!
Bờ biển Nha Trang đẹp thế nào? Tôi đã đi Nha Trang bao giờ đâu mà biết.How beautiful the Nha Trang beaches are? I have never been to Nha Trang so how can I know?
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
(particle) having reached this state
Register: informal
Examples
Near-synonym: rồi
[…] "Đã là chiến sĩ, phải là người lính thực thụ cầm súng ngoài chiến trường",[…][…] "Having become a fighter, you must now be a true soldier wielding your gun on the battlefield," […]
Wiktionary example (CC BY-SA 4.0)
Sense 3
Meaning · English
(particle) indicates an action has been initiated
Register: informal
Examples
Đôi mắt em hoe đỏ: "Mẹ đã khóc khi em được nhận học bổng ạ".Her eyes were reddish: "My mother burst into tears when I received the scholarship."
Wiktionary example (CC BY-SA 4.0)
Sense 4
Meaning · English
(verb) to satisfy; to pleasure; to refresh
Register: informal
Examples
đã khátto slake one's thirst
2011, Dưới bóng cây [In the Shade of Trees], link (0:40)
Ếch, cua. Lại đây chuột cho coi cái này đã lắm nè!
Frog! Crab! Come here, I will show you something. It's really cool!
Wiktionary example (CC BY-SA 4.0)
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Common questions
What does “đã” mean?
(particle) having completed this action, perfect aspect
Is “đã” formal or informal?
đã is generally informal.
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