from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation New Brunswick
  • abbreviation northbound
  • abbreviation nota bene

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • initialism Nota bene; used in written English to introduce something to be noted.
  • initialism Canada New Brunswick (Canadian province)
  • initialism North Bound
  • initialism US (aviation) prefix code for NASA research bomber plane designations
  • abbreviation New Brunswick, a province of Canada.
  • abbreviation West Nusa Tenggara, a province of Indonesia.


Sorry, no etymologies found.



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  • "Since 1963, only one state abbreviation has been changed. Originally Nebraska was shortened to "NB", but this was changed to "NE" to avoid confusion with New Brunswick in Canada."

    --From the List of U.S. state abbreviations.

    March 3, 2011

  • CH was not considered?

    March 3, 2011

  • I'm pretty sure Nebraska looks a bit more like New Brunswick than Chihuahua, but I could be wrong.

    March 3, 2011

  • NB, adj. non-binary


    Reed, 21 December 2015


    yay! there are a lot of other bot-makers that are women

    and NB in the #botALLY crowd as well

    December 25, 2015