quackish - n.
1 a an unqualified practiser of medicine. b (attrib.) of or characteristic of unskilled medical practice ( quack cure).
2 a charlatan.
3 sl. any doctor or medical officer.

quackery n. quackish adj. [abbr. of quacksalver f. Du. (prob. f. obs. quacken prattle + salf SALVE(1))]