Unduly (3)
'unduly' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for too that I've seen before include "Moreover, in addition" , "Furthermore" , "Excessively" , "What a pity!" , "Also; overly" .)
'unduly' is the definition.
(thesaurus)
This is the entire clue.
(Another definition for overly that I've seen is " Excessively".)