Noun (1) an untrained person who pretends to be a physician and who dispenses medical advice (2) the harsh sound of a duck Verb (1) utter quacking noises (2) act as a medical quack or a charlatan Adjective (1) medically unqualified. See Health fraud, Medicine show, Patent medicine, Quackery, Questionable doctor, Unproven methods for cancer management. SYNONYMY NOTE: quack 1, charlatan both apply to a person who unscrupulously pretends to knowledge or skill he or she does not possess, but , quack 2 almost always is used of a fraudulent or incompetent practitioner of medicine; , mountebank, in modern use, applies to a person who resorts to cheap and degrading methods in his or her work, etc. A (Snack) is someone who looks good at the moment. People that had to be tested for Covid-19 had to have their nose swabbed right where the brain connects, which often led to people rolling back their eyes and gagging. Webster’s Dictionary defines quackery as “the actions or pretensions of a quack,” and a quack as “a pretender to medical skills he does not possess.”Quack is short for “quacksalver” [1] meaning literally to quack “like a duck about his ‘salves’ and remedies.” [2] The duck symbolizes quackery because it makes a lot of noise about nothing. How to use quackery in a sentence. Learn more. Synonyms for charlatan include shyster, quack, or faker. Show English Meaning. Show English Meaning. A quack is a "fraudulent or ignorant pretender to medical skill" or "a person who pretends, professionally or publicly, to have skill, knowledge, qualification or credentials they do not possess; a charlatan or snake oil salesman". Noun (1) an untrained person who pretends to be a physician and who dispenses medical advice (2) the harsh sound of a duck Verb (1) utter quacking noises (2) act as a medical quack or a charlatan Adjective (1) medically unqualified. In the past, those believed to possess special powers in healing disease included malformed persons, such as hunchbacks; rulers, such as high priests and kings; mystics; and mentally disturbed persons. Cf Alternative medicine. A charlatan (also called a swindler or mountebank) is a person practicing quackery or some similar confidence trick or deception in order to obtain money, fame, or other advantages via some form of pretense or deception. quack adjective Unproven, see there. The Nussy, or the “nose pussy”, if you will, was discovered during the corona virus pandemic of 2020. Quackery definition is - the practices or pretensions of a quack. Quack, in the sense of a medical impostor, is a shortening of the old Dutch quacksalver (spelled kwakzalver in the modern Dutch), which originally meant a person … noun Charlatan, montebank A person who impersonates a physician. quack meaning: 1. to make the usual sound of a duck: 2. a person who dishonestly pretends to have medical skills…. The typical quack may be a man or a woman and is likely to be striking in appearance and personality. The term quack is a clipped form of the archaic term quacksalver, from Dutch: kwakzalver a "hawker of salve".