/ Dictionary / Index S smack-dab: Meaning and Definition of Find definitions for: smack-dab Pronunciation: (smak'dab'), [key] — adv. Informal. directly; squarely: smack-dab in the middle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. smack smacker Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language