/ Dictionary / Index N nixie: Meaning and Definition of Find definitions for: nix•ie Pronunciation: (nik'sē), [key] — n. a letter or parcel that is undeliverable by the post office because of a faulty or illegible address. nix•ie Pronunciation: (nik'sē), [key] — n. Germanic Folklore. a female water spirit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nix Nixon Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language