(of a voice or sound) That resembles the quack of a duck.
* 1907 , Le Grand Kerr, Diagnostics of the Diseases of Children ,
* 2011 , Minrose Gwin, Wishing for Snow ,
- With progressive prostration (which is more marked in young infants) and with a tone to the cry which is a sort of a thin, crowing, quacky sound, points to the existence of retropharyngeal lymphadenitis.
Fraudulent; characterised by or using the methods of quackery.
* 1919 , Oral Hygeine , Volume 9,
- Suddenly I hear a roar like a lion then a gagging sound like someone is getting choked to death then high-pitched voices little quacky voices like the Chipmunks on the radio calling back and forth to one another Christmas Christmas time is here time for joy and time for cheer.
* 1998‘ September 9, , interview quoted in ”’2003 , Alan Hecht, ”Polio ,
- The Doctor says that some of the quackiest of the quacks are in the army.
* 2003 , Wayne Besen, Anything but Straight: Unmasking the Scandals and Lies Behind the Ex-Gay Myth ,
- I know this sounds real quacky but they did some mysterious good to the problem and I feel fine.
* 2008 , John Hayes, Primate Wars ,
- Although some of the moments surrounding my coming out may seem humorous in retrospect, the underlying harsh fact is that thousands of desperate people are willing to embrace the quackiest of measures to cure homosexuality in themselves or in loved ones, and this is anything but funny.
* 2010 , Herb Schultz, Double Blind Test ,
- David’s expression changes. A quack? All this act is about some quacky , pseudo science, right on, I know something you don’t cult thing.
* 2010 , Margie Hinkle, Sherry Hatchett, Bonnie Holmes (editors), I Walk with God: The Autobiography of Marjorie Clevenger Hinkle ,
- Dr. Torrent described the signs and symptoms of RP,[retinitis pigmentosa] surveyed the established research into causes of the disease, and summarized the failed attempts to develop a cure, including a barbaric method pioneered in the USSR involving the injection of quacky medicine directly into the patient’s eyeball.
(US, of land or a crop) Infested with quackgrass.
* 1859 , The Cultivator , Volume 7, 3rd Series,
- The housemother was a relief housemother, and she was quacky , and we didn’t think she knew anything.
* 1890 , Ontario Legislative Assembly, Sessional Papers – Legislature of the Province of Ontario , Volume 1,
- After the first hoeing of a quacky crop, it is often well to go over it lightly in the middle of a hot day, just skimming the surface of the soil, and cutting off the young grass.
* 1914 , New York (State) Department of Agriculture, Annual Report , Volume 1, Part 2,
- Always work quacky land when it is driest.
- When would you advise plowing sandy soil that is quacky for beans?