interjection
formal + literary :1goodbye
noun
plural -wells
[count] formal + literary
something that you say to a person who is leaving :goodbye
an act of leaving
adjective
always used before a noun
done when someone is leaving, ending a career, etc.
verb
-wells; -welled; -welling
[+ obj] chiefly Australia + New Zealand :to bid farewell to (someone who is leaving)