Affected (4)
'affected' is the definition.
(camp can mean exaggerated or affected)
This is all the clue.
(Other definitions for camp that I've seen before include "Party adherents" , "doctrinaire group" , "Coterie" , "Temporary living quarters, for soldiers perhaps" , "Temporary army quarters" .)
'affected' is the definition.
(thesaurus)
This is all the clue.
'affected' is the definition.
('impact' can be a synonym of 'affect')
This is the entire clue.
(Other definitions for impacted that I've seen before include "Wedged or packed in together, as a tooth say" , "Had an effect upon" , "Wedged firmly" , "made impression" , "Wisdom teeth may be so stuck" .)
'affected' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for mannered that I've seen before include "Acting with exaggerated behaviour" , "unnatural" , "Given to polite social behaviour" , "Artificial, pretentious" , "Stiffly formal" .)