Distress greatly (7)
(Other definitions for cut up that I've seen before include "affected by separation" , "Distressed - dissected" , "Sliced; distressed" , "Dice, chop" , "Destroy with scissors" .)
'distress greatly' is the definition.
(synonyms)
This is all the clue.
(Other definitions for afflict that I've seen before include "Beset" , "Cause to suffer" , "Distress mentally or physically" , "Ail" , "Painfully affect" .)