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the most common way of saying goodbye to a friend or someone you know well
an informal way of saying goodbye
an informal way of saying goodbye to someone when you expect to see them again soon
used for saying goodbye to someone you know well, when you are not sure when you will see them again
used for saying goodbye when you leave someone at night or before they go to bed
used when you say goodbye to someone you know well when they are leaving, in order to show that you care about them
used when you say goodbye to someone you know well when they are leaving to go on a journey
used for saying goodbye to someone when you have just met them for the first time
This is the British English definition of goodbye. View American English definition of goodbye.
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