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English definition of “goodbye”

goodbye

exclamation uk   /ɡʊdˈbaɪ/ (informal bye) us  

goodbye

noun [C] uk   /ɡʊdˈbaɪ/ us  
the words or actions that are used when someone leaves or is left: Don't go without saying goodbye to me, will you? She kissed her children goodbye before leaving for work. We said our goodbyes, and left. I hate long drawn-out goodbyes (= acts of leaving).Welcoming, greeting and greetings
(Definition of goodbye from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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