/ Dictionary / Index S Sundays: Meaning and Definition of Find definitions for: Sun•days Pronunciation: (sun'dāz, -dēz), [key] — adv. on Sundays. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sundays (Thesaurus) Sunday punch Sunday school Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language