"Au revoir!” (4)
'au revoir' is the definition.
(synonyms)
This is all the clue.
(Other definitions for adieu that I've seen before include "All the best" , "Goodbye, madame" , "Goodbye, mon ami!" , "Comment on leaving" , "12 Down" .)
'au revoir' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for so long that I've seen before include "Cheerio, bye-bye" , "Au revoir" , "Ta-Ta!" , ". . . . . ., Farewell', song from The Sound of Music" , "This extended" .)
(Other definitions for toodle-pip that I've seen before include "Take care" , "Goodbye (dated)" , "Farewell (informal)" , "Farewell remark - dipole top (anag)" , "so long" .)
(Other definitions for tata that I've seen before include "cheerio!" , "So long!" , "See you" .)