American English

Definition of Sunday noun from the Oxford Advanced American Dictionary



, NAmE//ˈsʌndi//
(abbreviation Sun.) [countable, uncountable]
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  • 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. From the Old English for “day of the sun,” translated from Latin dies solis.
  • Idioms
    your Sunday best (informal) (humorous)
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    your best clothes I put on my Sunday best for the occasion.
    See the Oxford Advanced Learner's Dictionary entry: Sunday