Scorned (7)
'scorned' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for derided that I've seen before include "Scorned" , "Mocked, laughed at" , "Ridiculed" , "Did rubbish" , "Treated or spoke of with contempt" .)
(Another definition for flouted that I've seen is " Treated with contemptuous disregard".)
'scorned' is the definition.
('disdain' can be a synonym of 'scorn')
This is all the clue.
(Another definition for disdained that I've seen is " Scorned".)