Quackery

The author's book about becoming a millionaire overnight was widely regarded as quackery.

The government established a regulatory body to prevent quackery in the field of dentistry.

The consumer protection agency cracked down on a company for its quackery in promoting a device that supposedly improved memory.

The medical community denounced the quackery of a self-proclaimed doctor who claimed to cure serious illnesses through unconventional methods.

He was exposed as a quackery when it was revealed that he had no medical degree.