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To make vain and loud pretensions; to boast. " To quack of universal cures." Hudibras.

See Quitch grass.

The acts, arts, or boastful pretensions of a quack; false pretensions to any art; empiricism. Carlyle.

Like a quack; boasting; characterized by quackery. Burke.

Quackery. Carlyle.

To suffocate; to choke. [Prov. Eng.]

is skill in medicines and salves, or of the efficacy of his prescriptions; a charlatan; a quack; a mountebank. [Obs.] Burton.

One without method; a quack. [Obs.]

One who prates much in his own favor, and makes unwarrantable pretensions; a quack; an impostor; an empiric; a mountebank.

Of or like a charlatan; making undue pretension; empirical; pretentious; quackish. -- Char`la*tan"ic*al*ly, adv.

Undue pretensions to skill; quackery; wheedling; empiricism.

s from the rules of science and regular practice; an ignorant and unlicensed pretender; a quack; a charlatan. Among the Greek physicians, those who founded their practice on experience called themselves empirics. Krauth-Fleming. Swallow down opinions as silly people do empirics' pills. Locke.

By experiment or experience; without science; in the manner of quacks.

of science or a knowledge of principles; ignorant and unscientific practice; charlatanry; quackery.

A quack. [R.] Whitlock.

to make sport for others; a buffoon; a zany; especially, one who attends a mountebank or quack doctor.

ill in curing diseases, and vends medicines which he pretends are infalliable remedies; a quack doctor. Such is the weakness and easy credulity of men, that a mountebank ... is preferred before an able physician. Whitlock.

The practices of a mountebank; quackery; boastful and vain pretenses.

Like a mountebank or his quackery. Howell.

ecret for the purpose of restricting the profits of sale to the inventor or proprietor; a quack medicine.