Flawed (6)
'flawed' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for imperfect that I've seen before include "Faulty; tense" , "Having faults" , "Flawed, defective" , "Describing continuous actions" , "Deficient" .)
'flawed' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for faulty that I've seen before include "Defective or inaccurate" , "Flawed" , "Having a defect" , "Defective, not in good working order" , "Not working correctly" .)