/ Dictionary / Index D dead slow: Meaning and Definition of Find definitions for: dead' slow' Pronunciation: [key] — Naut. Naut. as slow as possible without losing steerageway. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dead set dead-smooth Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language