/ Dictionary / Index S serenity: Meaning and Definition of Find definitions for: se•ren•i•ty Pronunciation: (su-ren'i-tē), [key] — pl. -ties the state or quality of being serene, calm, or tranquil; sereneness. (usually cap.) a title of honor, respect, or reverence, used in speaking of or to certain members of royalty (usually prec. by his, your, etc.). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: serenity (Thesaurus) Serengeti Sereth 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