Meaning of the word quackery in English

What does quackery mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

quackery

US /ˈkwæk.ɚ.i/
UK /ˈkwæk.ər.i/

Noun

the dishonest practice of pretending to have special knowledge or skills, especially in medicine

Example:
The doctor was accused of quackery for promoting unproven remedies.
The market is full of products based on pure quackery.