English

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Etymology

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From summer +‎ -long.

Adjective

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summerlong (not comparable)

  1. Extending throughout a summer
    • 2007 August 3, Mary M. Chapman, “Growing Pains for a Yearly Tribute to Classic American Cars”, in New York Times[1]:
      “We don’t want it to be a summerlong event, though,” said Corrigan O’Donohue, a lieutenant with the Royal Oak Police Department.