/ Dictionary / Index N Niles: Meaning and Definition of Find definitions for: Niles Pronunciation: (nīlz), [key] — n. a city in NE Illinois, near Chicago. 30,363. a city in NE Ohio. 23,088. a city in SW Michigan. 13,115. a male given name, form of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: niles (Thesaurus) Nile green nilgai Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language