gấp đôi
[ɣəp̚˧˦ ʔɗoj˧˧]
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
(verb) to fold in two; to fold double; to double
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
gấp đôi một tờ báoto fold a newspaper in half
gấp đôi cái mền lại cho ấm thêmto fold a blanket double for extra warmth
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) double; twofold; twice
Examples
thuốc tẩy mới mạnh gấp đôi để diệt mầm bệnhthe new bleach with double strength for killing germs
Bà ta chi tiêu gấp đôi những gì mà bà ta kiếm được.She spends double what she earns.
Wiktionary example (CC BY-SA 4.0)
Common questions
What does “gấp đôi” mean?
(verb) to fold in two; to fold double; to double
Is “gấp đôi” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.