so long

Definitions of so long
  1. noun
    a farewell remark
    synonyms: adieu, adios, arrivederci, au revoir, auf wiedersehen, bye, bye-bye, cheerio, good day, good-by, good-bye, goodby, goodbye, sayonara
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    type of:
    farewell, word of farewell
    an acknowledgment or expression of goodwill at parting
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