quackery

American

[kwak-uh-ree] / ˈkwæk ə ri /

noun

plural

quackeries

the practice or methods of a quack.
an instance of this.

quackery British

/ ˈkwækərɪ /

noun

the activities or methods of a quack

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of quackery

First recorded in 1700–10; quack ² + -ery

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As a young mother, she rejected traditional medicine in favor of homeopathy, then thought to be a form of quackery.

From The Wall Street Journal • Feb. 27, 2026

And that is alarming, because Kennedy is a charlatan who opposes evidence-based medicine and promotes discredited quackery.

From Slate • Jun. 27, 2025

Kennedy has no medical expertise and peddled a range of harmful quackery as a private citizen, including anti-vaccination rhetoric and the benefits of chugging raw milk.

From Salon • Feb. 7, 2025

Science and quackery cannot be treated as having scientific and moral equivalence.

From Los Angeles Times • Oct. 15, 2024

His nutritional quackery even led him to monitor her regularity like a doctor, and some of their biggest fights came as a result of his interrogating Lina about her stools.

From "Middlesex: A Novel" by Jeffrey Eugenides

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023