Alas (13)
'alas' is the definition.
(I've seen this before)
This is the entire clue.
(Another definition for unfortunately that I've seen is " Alas".)
'alas' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for sadly that I've seen before include "Alas" , "Regrettably" , "Lamentably, unfortunately" , "I regret to say" , "Unhappily" .)