Damaged (6)
'damaged' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for dented that I've seen before include "Made small depression in metal surface" , "made an impression" , "Bashed in" , "Made depression in through pressure or impact" , "Tended to be depresed" .)
'damaged' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for harmed that I've seen before include "Hurt" , "Injured or damaged" .)
'damaged' is the definition.
(impairing is a kind of damaging)
This is the entire clue.
(Other definitions for impaired that I've seen before include "hurt" , "Disabled" , "Had negative impact" , "Damaged, marred" , "Caused weakening, damaged" .)