buồn

• (Hà Nội) IPA^(key): [ʔɓuən˨˩]
• (Huế) IPA^(key): [ʔɓuəŋ˦˩]
• (Hồ Chí Minh City) IPA^(key): [ʔɓuəŋ˨˩]
• Homophone: buồng

Non-Sino-Vietnamese reading of Chinese 煩 (“fed up; annoyed”, SV: phiền).[1] Doublet of phiền.

• (Internet slang, text messaging) bùn

buồn • (忿, 盆, 𢞂)

1. sad

   Antonym: vui

   nỗi buồn ― sadness

Possibly related to/cognate with muốn (“to want”).[2]

buồn

1. (in fixed expressions) to have a strong need to do something

   buồn ngủ ― to be sleepy (to need to sleep)

   buồn tiểu/đái/tè ― to need to urinate/pee

   buồn cầu/ỉa/ị ― to need to defecate/poop

   buồn nôn/ói ― to feel sick/nauseated/nauseous (to need to puke/vomit)

   buồn cười ― to find something funny (to need to laugh at something)

2. to feel an itch (to do something); to feel like

   Synonym: thèm

   • 1937, Thạch Lam, “Duyên số”, in Gió lạnh đầu mùa, NXB Đời nay:

     Lần này, khi mẹ tôi ngỏ ý, tôi nhận lời ngay, cũng không buồn đi xem mặt người con gái nữa.

     This time, when my mother came up with the idea, I immediately accepted; I did not feel like going to look at the girl's face anymore.

• mắc (Southern Vietnam)

buồn

1. (Northern Vietnam) ticklish (when stroked)

   Synonym: nhột