noun🔗ShareThe sound made by a duck."Did you hear that duck make a quack?"soundanimalnatureChat with AIVocabulary GamePractice Reading
verb🔗ShareTo make a noise like a duck."Do you hear the ducks quack?"animalsoundnatureChat with AIVocabulary GamePractice Reading
noun🔗ShareA fraudulent healer or incompetent professional; especially, a doctor of medicine who makes false diagnoses or inappropriate treatment; an impostor who claims to have qualifications to practice medicine."That doctor is nothing but a lousy quack!"medicinepersoncharacterjobhumansocietyscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareA charlatan."The new neighbor, a self-proclaimed health expert, is a quack who sells expensive, ineffective remedies. "personcharacterChat with AIVocabulary GamePractice Reading
noun🔗ShareA doctor."Back then, medicine wasn't regulated, so some dishonest quacks sold fake cures to sick people. "medicinepersonChat with AIVocabulary GamePractice Reading
verb🔗ShareTo practice or commit quackery (fraudulent medicine)."The unlicensed doctor was quacking remedies on his patients, promising quick cures for their illnesses. "medicineactiondiseasehumanpersonChat with AIVocabulary GamePractice Reading
verb🔗ShareTo make vain and loud pretensions."The salesperson was quacking about the amazing features of the new phone, but it wasn't actually any better than the older model. "characterattitudeChat with AIVocabulary GamePractice Reading
adjective🔗ShareFalsely presented as having medicinal powers."The quack doctor sold sugar pills as a cure for cancer. "medicinepersonnegativeChat with AIVocabulary GamePractice Reading
