sunday
n. C / Un. the day of the week after Saturday and before Monday. For many people, it is a day to rest or spend time with family.
n. the seventh day of the week, or the first day in some religious and national calendars. Often associated with rest or religious observance in Western cultures.
We usually go for a long walk on Sunday.
Most shops in the city center close early on Sunday to give employees time off.
The quiet atmosphere of a rainy Sunday afternoon often encourages a sense of reflection before the busy work week begins again.
From Middle English Sonday, from Old English sunnandæġ, from Proto-West Germanic *Sunnōn dag (literally “day of the Sun”), equivalent to sun + day, as a calque (interpretātiō germānica) of Latin diēs Sōlis; declared the "venerable day of the sun" by Roman Emperor Constantine on March 7, 321 C.E. Compare Saterland Frisian Sundai (“Sunday”), German Low German Sünndag, Dutch zondag, West Frisian snein, German Sonntag, Danish søndag.
Usually capitalized. When used in the plural, it refers to a habit or repeated occurrence on that day.
I will see you in SundayI will see you on SundayEnglish uses the preposition 'on' for specific days of the week, not 'in'.