Claimed to be wrong about doctors (7)
I believe the answer is:
medical
'wrong about doctors' is the definition.
The answer and definition can be both acts as well as being singular nouns.
Maybe they are linked in a way I don't understand?
'claimed to be' is the wordplay.
'to be' indicates an anagram.
'claimed' anagrammed gives 'MEDICAL'.
Can you help me to learn more?
(Other definitions for medical that I've seen before include "Examination of physical health" , "Doctor's test" , "Of the healing sciences" , "Relating to doctoring" , "Relating to the art of healing" .)