/ Dictionary / Index N no-go: Meaning and Definition of Find definitions for: no-go Pronunciation: (nō'gō'), [key] — adj. Slang. inoperative; canceled: The Tuesday space launch is no-go. not ready. not functioning properly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: no-go (Thesaurus) Noginsk no-good Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language