English

Proper noun

UB

1. (historical) Initialism of Urząd Bezpieczeństwa, a branch of the secret police in communist Poland.
   • 2010, Christopher Hitchens, Hitch-22, Atlantic 2011, p. 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 ‎(plural UBs)

1. (programming, C, C++) Initialism of undefined behavior, behavior not defined in the language standard.

Anagrams

• bu , BU, B/U