quacks
/kwæks/
NOUN
1. Fraudulent or unqualified medical practitioners
People who falsely claim to have medical knowledge or qualifications, or who offer dishonest or ineffective medical treatments.
1.1. Fake doctors and medical practitioners
People who pretend to be qualified doctors or provide medical advice and treatments without legitimate expertise.
Synonyms
- charlatans
- medical frauds
- quacksalvers
- mountebanks
- impostors
Antonyms
- qualified doctors
- physicians
- medical professionals
- experts
Examples
- The authorities warned residents against quacks who were selling ineffective remedies.
- Patients should seek qualified medical professionals rather than trusting quacks.
Related Words
- fraudsters
- healers
- practitioners
- impostors
- medical scammers
1.2. Deceptive people claiming special expertise
People who falsely present themselves as knowledgeable or skilled in a particular field in order to mislead others.
Synonyms
Antonyms
- experts
- professionals
- authorities
- genuine specialists
Examples
- The conference attracted several self-proclaimed experts, but experienced researchers quickly exposed them as quacks.
Related Words
- scammers
- tricksters
- bluffers
- mountebanks
- fraudsters
NOUN
2. Sounds made by ducks
The characteristic harsh, short vocal sounds produced by ducks.
2.1. Duck calls and vocalizations
The distinctive calls or cries made by ducks, especially when communicating with one another.
Synonyms
- duck calls
- duck cries
- quack sounds
Examples
- The pond was filled with the loud quacks of several ducks.
Related Words
- quacking
- squawks
- birdcalls
- honks
VERB
3. Producing duck-like sounds
To make the characteristic short, harsh vocal sound of a duck.
3.1. Ducks making their characteristic calls
Producing repeated duck-like cries or calls.
Synonyms
- squawk
- honk
- cackle
Examples
- The ducks quacks loudly whenever someone approaches the pond.
Related Words
- quacking
- croaking
- calling
- squawking