the harsh, throaty cry of a duck or any similar sound, a person who dishonestly claims to have medical knowledge or skills

quack medicine, quackery, quack like a duck

Formal and Informal Expressions of quack

In different contexts, you can replace 'quack' with suitable alternatives. In a more formal setting, 'imposter, charlatan' is apt. In informal speech or writing, 'fake, phony' is a commonplace synonym.

quack: Explore its Definition & Usage

quack Definition

1the harsh, throaty cry of a duck or any similar sound
2a person who dishonestly claims to have medical knowledge or skills

Using quack: Examples

Take a moment to familiarize yourself with how "quack" can be used in various situations through the following examples!

Example
The quack of the ducks in the pond was a pleasant sound.
Example
He was exposed as a quack after several patients suffered complications from his treatments.

quack Synonyms and Antonyms

Synonyms for quack

Phrases with quack

quack medicine
a type of medicine that is not based on scientific evidence and is often ineffective or harmful
Example
He wasted a lot of money on quack medicine before seeking proper medical treatment.
quackery
the practice of dishonestly claiming to have medical knowledge or skills
Example
The government has launched a campaign to crack down on quackery in the healthcare industry.
quack like a duck
to make a sound like a duck
Example
The children were quacking like ducks as they played in the park.

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Summary: quack in Brief

The term 'quack' [kwæk] refers to the harsh, throaty cry of a duck or any similar sound. It also denotes a person who dishonestly claims to have medical knowledge or skills, exemplified by 'He was exposed as a quack after several patients suffered complications from his treatments.' 'Quack' extends into phrases like 'quack medicine,' referring to ineffective or harmful medicine, and 'quackery,' the practice of dishonestly claiming medical knowledge or skills.