faulty Antonyms

faultless right truthful unblemished unerring usable valid veracious veridical viable washer working true tolerable thorough rigorous running serviceable sodding sound strait strict stylistic syntactic syntactical terminological workable right-down utilise right on supercalifragilisticexpialidocious unexpurgated unflawed unreduced unspoiled up and running up to scratch up to the mark able to function functioning properly on the money undamaged all right alright allover enamour exacta word-perfect in use functioning