quack

noun · verb · interjection · adjectiveA2

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Danh từ

noun

Plural noun:

quacksquaake

1.
The vocalisation made by a duck.
Did you hear that duck make a quack?
2.
(derogatory)A fraudulent healer, especially a bombastic peddler in worthless treatments, a doctor who makes false diagnoses for monetary benefit, or an untrained or poorly trained doctor who uses fraudulent credentials to attract patients
That doctor is nothing but a lousy quack!
1662, Rump: or an Exact Collection of the Choycest Poems and Songs Relating to Late Times, Vol. II, by ‘the most Eminent Wits’ Tis hard to say, how much these Arse-wormes do urge us, We now need no Quack but these Jacks for to purge us, …
Polly (to security guard, referring to Dr. Feingarten): Are you going to let that shyster in there? Dr. Feingarten: I could sue you, Polly. A shyster is a disreputable lawyer. I'm a quack.
3.
(derogatory, figuratively)Any similar charlatan or incompetent professional.
4.
(derogatory, humorous, mildly, slang)(humorous slang, mildly derogatory) Any doctor.
That quack wants me to quit smoking, eat less, and start exercising. The nerve!

Động từ

verb

V_es/s

quacks

V_ing/Gerund

quacking

V_ed/pp

quackedquaake

1.
Of a duck, to make its characteristic vocalisation.
The more breadcrumbs I threw on the ground, the more they quacked.
Do you hear the ducks quack?
2.
To make a sound similar to the quack of a duck.
3.
(intransitive)Of a queen bee: to make a high-pitched sound during certain stages of development.
4.
To practice or commit quackery (fraudulent medicine).
5.
(obsolete)To make vain and loud pretensions.
Đồng nghĩa: boast

interjection

quaake

1.
A duck's quack.

Tính từ

adjective

Comparative

more quackquacker

Superlative

most quackquackest

1.
Falsely presented as having medicinal powers.
Don't get your hopes up; that's quack medicine!

Từ liên quan

Đồng nghĩa

boastsnake oilsnake-oilsalesman medicaster quacksalverpharmacopole

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Nguồn gốc từ

From Middle English *quacken, queken, from quack, qwacke, quek, queke (quack), also kek, keke, whec-, partly of imitative origin and partly from Middle Dutch quacken (to croak, quack), from *kwaken (to croak, quack), from *kwakōn, from Proto-Germanic *kwakaną, *kwakōną (to croak), of imitative origin.