/ Dictionary / Index S Sunday driver: Meaning and Definition of Find definitions for: Sun'day driv'er Pronunciation: [key] a person who drives a car inexpertly, esp. slowly or overcautiously, in the manner of one who drives infrequently. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sunday clothes Sunday-go-to-meeting Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language