Quack

Definition:

(v. i.) To utter a sound like the cry of a duck.
(v. i.) To make vain and loud pretensions; to boast.
(v. i.) To act the part of a quack, or pretender.
(n.) The cry of the duck, or a sound in imitation of it; a hoarse, quacking noise.
(n.) A boastful pretender to medical skill; an empiric; an ignorant practitioner.
(n.) Hence, one who boastfully pretends to skill or knowledge of any kind not possessed; a charlatan.
(a.) Pertaining to or characterized by, boasting and pretension; used by quacks; pretending to cure diseases; as, a quack medicine; a quack doctor.

Compare quack with other words:

quack vs. quick

neigh vs. quack

quack vs. unreasonable

nonsense vs. quack

quack vs. quackish

quack vs. quackism

dentist vs. quack

quack vs. quacking

cheat vs. quack

medicaster vs. quack

quack vs. saltimbanco

quack vs. quackle

empiric vs. quack

mountebank vs. quack

quack vs. quacksalver

power vs. quack

medicinal vs. quack

charlatan vs. quack

quack vs. quackery

boast vs. quack

impostor vs. quack

medicine vs. quack

doctor vs. quack

noise vs. quack