Breadcrumb Home > Dictionary > Index S sinsyne: Meaning and Definition of Find definitions for: sin•syne Pronunciation: (sin'sīn), [key] — adv. Scot. and North Eng. from that time; since then. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sinsiang sin tax TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: apotheosis Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language