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good day

interjection

Simple Definition of good day

  • —used to say hello or goodbye to someone in the daytime

Source: Merriam-Webster's Learner's Dictionary

Full Definition of good day

somewhat formal + old-fashioned

  1. —used to say hello or goodbye to someone in the daytime <Good day to you, sir.>

Word by Word Definitions

goodplay
  1. :  of a favorable character or tendency

    :  bountiful, fertile

    :  handsome, attractive

  1. :  something that is good

    :  something conforming to the moral order of the universe

    :  praiseworthy character :  goodness

  1. :  well

    : used as an intensive

  1. :  the time of light between one night and the next

    :  daylight

    :  daytime


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immature or lacking adult sophistication

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