UB

English

Proper noun

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.

Noun

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

Phrase

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.

Related terms

• UB2 (“you be too”)

Anagrams

• B/U, BU, Bu, bu