/ Dictionary / Index N nudnik: Meaning and Definition of Find definitions for: nud•nik Pronunciation: (nood'nik), [key] — n. Slang. a persistently dull, boring pest. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nudnik (Thesaurus) nudity nudum pactum Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language