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goodbye

1 goodbye interjection
also goodby /gʊdˈbaɪ/
1 goodbye
interjection
also goodby /gʊdˈbaɪ/
Britannica Dictionary definition of GOODBYE
used to express good wishes when someone is leaving
2 goodbye noun
also goodby /gʊdˈbaɪ/
plural goodbyes also goodbys
2 goodbye
noun
also goodby /gʊdˈbaɪ/
plural goodbyes also goodbys
Britannica Dictionary definition of GOODBYE
[count]
: a remark or gesture made when someone is leaving
sometimes used figuratively
: a time or occasion when someone leaves

kiss (something) goodbye

see 1kiss