adieu
nounUK /əˈdjuː/
US /əˈduː/
A word you say when you are saying goodbye to someone.
She waved adieu to her friends as the train left the station.
RELATED WORDS
OTHER MEANINGS
2. A farewell remark or gesture.
He bid adieu to his old job with a smile.
3. Used to express good wishes when parting.
Adieu, my friend—until we meet again!
4. A final goodbye to something that is ending.
The town said adieu to the old bridge before it was replaced.