Definitions of quack

  1. To cry like a duck; practise as a quack.
  2. To utter a sound like the cry of a duck.
  3. To make vain and loud pretensions; to boast.
  4. To act the part of a quack, or pretender.
  5. To utter a harsh cry, as a duck; to pretend to be a doctor of medicine; to boast loudly.
  6. To cry like a duck: to beast: to practice as a quack.
  7. To utter a quack.
  8. act as a medical quack or a charlatan
  9. To cry like a duck.
  10. To act or practise as a quack.
  11. the harsh sound of a duck
  12. an untrained person who pretends to be a physician and who dispenses medical advice
  13. The cry of the duck, or a sound in imitation of it; a hoarse, quacking noise.
  14. A boastful pretender to medical skill; an empiric; an ignorant practitioner.
  15. Hence, one who boastfully pretends to skill or knowledge of any kind not possessed; a charlatan.
  16. The cry of the duck, or a harsh sound like it; one who pretends to have medical skill or any skill that he does not possess; a pretender.
  17. The cry of a duck: a boastful pretender to skill which he does not possess, esp. medical skill: a mountebank.
  18. A pretender to skill; medical pretender.
  19. Used by quacks.
  20. A croaking sound, as of a duck.
  21. A pretender, as to medical skill.
  22. The cry of a duck; one who pretends to knowledge or skill which he does not possess; a pretender to medical skill; a charlatan.
  23. The cry of a duck.
  24. An ignorant pretender to medicine; a boastful pretender to skill or knowledge not possessed; an empiric.
  25. medically unqualified; " a quack doctor"
  26. Pertaining to or characterized by, boasting and pretension; used by quacks; pretending to cure diseases; as, a quack medicine; a quack doctor.
  27. Pretending to know how to cure disease; as, a quack doctor.
  28. Pertaining to quackery: used by quacks.
  29. Quack.
  30. Pertaining to quackery; prescribed by a quack.
  31. Falsely pretending to cure diseases; pert. to or tainted with quackery.