noun Download 🔗Share The sound made by a duck. Examples : "Did you hear that duck make a quack?" sound animal nature Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To make a noise like a duck. Examples : "Do you hear the ducks quack?" animal sound nature Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A 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. Examples : "That doctor is nothing but a lousy quack!" medicine person character job human society science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A charlatan. Examples : "The new neighbor, a self-proclaimed health expert, is a quack who sells expensive, ineffective remedies. " person character Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A doctor. Examples : "Back then, medicine wasn't regulated, so some dishonest quacks sold fake cures to sick people. " medicine person Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To practice or commit quackery (fraudulent medicine). Examples : "The unlicensed doctor was quacking remedies on his patients, promising quick cures for their illnesses. " medicine action disease human person Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To make vain and loud pretensions. Examples : "The salesperson was quacking about the amazing features of the new phone, but it wasn't actually any better than the older model. " character attitude Chat with AIVocabulary GamePractice Reading
adjective Download 🔗Share Falsely presented as having medicinal powers. Examples : "The quack doctor sold sugar pills as a cure for cancer. " medicine person negative Chat with AIVocabulary GamePractice Reading