/ Dictionary / Index N no-knock: Meaning and Definition of Find definitions for: no-knock Pronunciation: (nō'nok"), [key] — adj. antiknock. that authorizes law-enforcement officers to enter premises unannounced and without identifying themselves: a no-knock narcotics policy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. noisy nokyo Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language