English

Definition of Sunday noun from the Oxford Advanced Learner's Dictionary

      

    Sunday

     noun
    noun
    BrE BrE//ˈsʌndeɪ//
     
    ; NAmE NAmE//ˈsʌndeɪ//
     
    ; BrE BrE//ˈsʌndi//
     
    ; NAmE NAmE//ˈsʌndi//
     
    (abbreviation Sun.)
     
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  1. 1   [countable, uncountable] the day of the week after Saturday and before Monday, thought of as either the first or the last day of the week To see how Sunday is used, look at the examples at Monday.
  2. 2[countable, usually plural] (British English, informal) a newspaper published on a Sunday
  3. Word Origin Old English Sunnandæg ‘day of the sun’, translation of Latin dies solis; compare with Dutch zondag and German Sonntag.Idioms (informal) used to emphasize that something will never happen You won't find it, not in a month of Sundays. (informal, humorous) your best clothes I put on my Sunday best for the occasion.
See the Oxford Advanced American Dictionary entry: Sunday