GRE vocabulary
quack
a person who fraudulently claims medical or expert knowledge they do not possess
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See all More GRE words starting with Q
quackery
the fraudulent pretense of skill or knowledge, especially in medicine
quaff
to drink heartily and in large gulps
qualify
to limit or modify a statement so that it is less absolute
quandary
a state of uncertainty or perplexity over what to do
quarantine
a period of enforced isolation to prevent the spread of disease
quell
to suppress or put an end to, especially by force; to quiet or calm
querulous
habitually complaining in a peevish, whining manner
quibble
to argue or object over trivial, insignificant details
Common questions
Questions about “quack”
Quack (noun) means a person who fraudulently claims medical or expert knowledge they do not possess
Here is quack used in an example sentence: "The so-called doctor turned out to be a quack peddling useless remedies."
Common synonyms for quack include charlatan, impostor, fraud.
Antonyms of quack include expert, specialist.
Quack is a GRE-level vocabulary word worth knowing for the Verbal section.
Learn words the way the GRE tests them.
Vocabulary sticks when you meet it in real sentences. Practise these words inside text completion and sentence equivalence questions.