Tiếng Việt · Word Attested

chắc chắn

[t͡ɕak̚˧˦ t͡ɕan˧˦] 🎙 Say it

In real, traceable use. Part of the curated seed collection; community review is coming.

Sense 1

Both English Tiếng Việt

Meaning · English

(adjective) resilient, firm, stable

Nghĩa · Tiếng Việt

đàn hồi, vững chắc, ổn định

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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 ↗

Both English Tiếng Việt

Meaning · English

(adjective) sure, certain

Nghĩa · Tiếng Việt

chắc, xác thực

Machine-translated — suggest a fix

Both English Tiếng Việt

Meaning · English

(adverb) surely, certainly, undoubtedly

Nghĩa · Tiếng Việt

chắc chắn, không nghi ngờ

Machine-translated — suggest a fix

What does “chắc chắn” mean?

(adjective) resilient, firm, stable

Is “chắc chắn” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.

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