From Longman Dictionary of Contemporary EnglishSundaySun‧day /ˈsʌndi, -deɪ/ ●●● S2 W2 noun [countable, uncountable] 1 TMC (written abbreviation Sun.) the day between Saturday and Mondayon Sunday We’re going to a match on Sunday. What are you doing Sunday? American EnglishSunday morning/afternoon etc Sunday nights are usually pretty quiet.last Sunday It was our wedding anniversary last Sunday.this Sunday There’s another antiques market this Sunday.next Sunday (=Sunday of next week) We’ll announce the winners next Sunday.a Sunday (=one of the Sundays in the year) Finding a dentist on a Sunday can be very difficult.2 → your Sunday best3 → Sunday driver → never in a month of Sundays at month(6)
Examples from the Corpus
Sunday• This is where, naively, we set out for a walk on a recent drizzly Sunday.• He was shot in the face at close range last Sunday by a gunman and an accomplice.• He had reserved on a flight leaving Sunday.• The Vikings play the Giants on the road on Sunday.• It was a further step in their development on the road to possible overall victory at this stadium on Sunday.• Football season starts Sunday.• He had resolved to begin the communal discernment that he hoped would end the Standing on the Sunday after the Epiphany.• Hours are limited to noon to 8 p. m. Wednesday through Sunday.on Sunday• It snowed on Sunday.Origin Sunday Old English sunnandæg