Adjective "quack" definition and examples

(Quack may not be an adjective, but it can be used as an adjective, click here to find out.)



Definitions and examples


The characteristic harsh sound made by a duck.
  1. 'As we took off, I could hear a faint quack of relief from Archie's new acquaintances.'
  2. 'I heard a thump and a quack, and guessed that he'd run into the wall (head first, as usual).'
  3. 'I'm sorry to say that it's not true about the quack of a duck.'
  4. 'This is an interesting link for anyone who was wondering about those duck quacks.'


(of a duck) make a quack.
  1. 'The kids were in rapture as they heard the animals bleating, mooing, and quacking.'
  2. 'Ducks wake up and quack and swim away as we pass on the narrow walks, little packs of 20 or so ducks.'
  3. 'They sat at the edge of the lake where a bunch of ducks came up and quacked at them.'
  4. 'Internet pages reveal phone conversations with journalists that consist of MacIsaac quacking like a duck before he hangs up.'
  5. 'The ducks were quacking and flapping around me loudly, so I thought better of staying in my place.'
  6. 'Nevertheless, if it looks like a duck, and walks like a duck, and quacks like a duck, it's most likely… a duck.'
  7. 'All the ducks are in a row, quacking in the same direction right now, and it seems, you know, that's great.'
  8. 'If it waddles like a duck and quacks like a duck, it's not a swan.'
  9. 'I hope you grow donkey ears and quack like a duck!'
  10. 'He may as well have quacked like a duck, because I don't hear a word he's saying.'
  11. 'he was still quacking about vinyl's alleged superiority to CDs'
  12. 'Ever since Ride the Ducks came to town, I've watched those vessels drive by, its frenzied tourists quacking away.'


A person who dishonestly claims to have special knowledge and skill in some field, typically medicine.
  1. 'quack cures'
  2. 'You are drawn to the plight of the bird in the air pump, the sad and frightened girls and the wild eyes of the quack scientist.'
  3. 'There are food faddists, and quacks in the medical field, and persons who oppose fluoridation of water.'
  4. 'Depressed by the abundance of absurd claims for quack alternative therapies, he had set up the site as a credulity experiment.'
  5. 'They are saying they do not want the project to go ahead, full stop, because it is quack medicine.'
  6. 'An alternative medicine quack reckoned he could cure Faulkner of his twitching with a six-month course of treatment.'
  7. 'I've met very conscientious chiropractors in the past, but the field also seems to attract a number of quacks.'
  8. 'Among the modern evils to fall under Ince's scrutiny was quack alternative medicine.'
  9. 'The new rule is to regularise the practice of traditional Indian systems of medicine and to prevent quacks.'
  10. 'As we've said before, that's a totally quack claim.'
  11. 'He despised quacks and charlatans because he admired the power of thought and reason so profoundly.'
  12. 'In India, this could range from private practitioners, to hospitals, nursing homes, polyclinics, alternative medical practitioners, quacks and pharmacists.'

More definitions

1. the harsh, throaty cry of a duck or any similar sound. verb (used without object)

2. to utter the cry of a duck or a sound resembling it.

More examples(as adjective)

"quacks can be quack."

"doctors can be quack."

"remedies can be quack."

"cures can be quack."

"mixtures can be quack."

More examples++


(quack)Mid 17th century: abbreviation of earlier quacksalver, from Dutch, probably from obsolete quacken ‘prattle’ + salf, zalf (see salve).