adj
Meaning 1
Falsely presented as having medicinal powers.
Definition source: English Wiktionary via Wiktextract
Examples
- Don't get your hopes up; that's quack medicine!
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
adj
Falsely presented as having medicinal powers.
Definition source: English Wiktionary via Wiktextract
Synonyms: none provided
Antonyms: none provided
intj
A duck's quack.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
The vocalisation made by a duck.
Definition source: English Wiktionary via Wiktextract
Synonyms: none provided
Antonyms: none provided
noun
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
Definition source: English Wiktionary via Wiktextract
Usage: derogatory
Synonyms: none provided
Antonyms: none provided
noun
Any similar charlatan or incompetent professional.
Definition source: English Wiktionary via Wiktextract
Usage: derogatory, figuratively
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Any doctor.
Definition source: English Wiktionary via Wiktextract
Usage: derogatory, humorous, mildly, slang
Synonyms: none provided
Antonyms: none provided
verb
Of a duck, to make its characteristic vocalisation.
Definition source: English Wiktionary via Wiktextract
Synonyms: none provided
Antonyms: none provided
verb
To make a sound similar to the quack of a duck.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
verb
Of a queen bee: to make a high-pitched sound during certain stages of development.
Definition source: English Wiktionary via Wiktextract
Usage: intransitive
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
verb
To practice or commit quackery (fraudulent medicine).
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
verb
To make vain and loud pretensions.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete
No example sentence was provided for this meaning.
Synonyms: boast
Antonyms: none provided
noun
the harsh sound of a duck
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: sound
noun
an untrained person who pretends to be a physician and who dispenses medical advice
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: doctor, doc, physician, MD, Dr., medico, mountebank, charlatan
verb
act as a medical quack or a charlatan
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: act, behave, do
verb
utter quacking noises
Definition source: Princeton WordNet 3.0
Synonyms: none provided
Antonyms: none provided
Broader terms: utter, emit, let out, let loose
History
Etymology tree Middle Dutch quacsalven Dutch quacksalverbor. English quacksalverclip. English quack Clipping of quacksalver (see there for more), of Dutch origin; ultimately related to Etymology 1 above.
From Middle English *quacken, queken (“to croak like a frog; make a noise like a duck, goose, or quail”), from quack, qwacke, quek, queke (“quack”, interjection and noun), also kek, keke, whec-, partly of imitative origin and partly from Middle Dutch quacken (“to croak, quack”), from Old Dutch *kwaken (“to croak, quack”), from Proto-West Germanic *kwakōn, from Proto-Germanic *kwakaną, *kwakōną (“to croak”), of imitative origin. Cognate with Saterland Frisian kwoakje, kwaakje (“to quack”), Middle Low German quaken (“to quack, croak”), German quaken (“to quack, croak”), Danish kvække (“to croak”), Swedish kväka (“to croak, quackle”), Norwegian kvekke (“to croak”), Icelandic kvaka (“to twitter, chirp, quack”).
Across languages
225 source translations are retained for this English entry.