Sunday - definition of Sunday by The Free Dictionary
https://www.thefreedictionary.com/Sunday
WEB1. the first day of the week, observed as the Sabbath by most Christian denominations. adj. 2. of, pertaining to, or characteristic of Sunday. 3. used, done, taking place, or being as indicated only on or as if on Sundays: a Sunday driver. [before 900; Middle English sun (nen)day, Old English sunnandæg, translation of Latin diēs sōlis]
DA: 89 PA: 79 MOZ Rank: 31