Make unhappy (5)
'make unhappy' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for sadden that I've seen before include "Make mournful" , "Disappoint" , "Dismay" , "Make unhappy or sorrowful" , "Make melancholy and distressed" .)
'make unhappy' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for upset that I've seen before include "Sad" , "Distressed; overturn" , "Caused grief" , "Disturbed or knocked out of place" , "Disrupted; knock over" .)