UB

English Wikipedia has an article on:

Urząd Bezpieczeństwa

Wikipedia

English Wikipedia has an article on:

Undefined behavior

Wikipedia

UB

1. Initialism of Ulaanbaatar.
2. (historical) Initialism of Urząd Bezpieczeństwa, a branch of the secret police in communist Poland.
   • 2010, Christopher Hitchens, Hitch-22, Atlantic, published 2011, page 188:

     He was still going, and strongly at that, in a tiny apartment much invigilated by the “U.B.” or Polish secret police.

3. (Philippines)
   1. Initialism of University of Baguio.
   2. Initialism of University of Batangas.

UB (countable and uncountable, plural UBs)

1. (programming, C, C++) Initialism of undefined behavior, behavior not defined in the language standard.
2. (sports) Initialism of upper bracket.
3. (gymnastics) Abbreviation of uneven bars.

   Coordinate terms: AA, BB, FX, VT

UB

1. (in personal ads) Abbreviation of you be.
   • 1996 October 4, “Variations”, in The Boston Phoenix, volume 25, number 40, Boston, Mass.: The Phoenix Media/Communications Group, Adult Services, page 3:

     Sexual affair ¶ Short or long term. I’m 34, lk. 28, well built, small, 150 lbs, 5’10”, married. UB well kept and care about yourself, married, single, young or old.

• UB2 (“you be too”)

• B/U, BU, Bu, bu

• IPA^(key): /ˈu.be/, [ˈu.be]

UB

1. (education) Initialism of Universitas Brawijaya.

UB (first-person possessive UBku, second-person possessive UBmu, third-person possessive UBnya)

1. Initialism of usaha bersama.