WordNet (r) 3.0 (2006):

ng
    n 1: one billionth (1/1,000,000,000) gram [syn: nanogram,
         ng]

Moby Thesaurus II by Grady Ward, 1.0:

18 Moby Thesaurus words for "NG":
   cheap, good-for-naught, good-for-nothing, junk, junky, no-account,
   no-good, not worth having, not worth mentioning, not worthwhile,
   nugacious, nugatory, shabby, shoddy, trashy, trivial, valueless,
   worthless



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

NG
       NewsGroup (slang, Usenet)


The Free On-line Dictionary of Computing (30 December 2018):

ng

    The country code for Nigeria.

   (1999-01-27)