What does "quackish" mean?

Like a quack (fraudulent doctor), or characteristic of quackery.

What is a synonym for "quackish"?

Common synonyms include: charlatan, empiric, quack.

adj

adj ·Rare ·Advanced level

Adjective

1
Like a quack (fraudulent doctor), or characteristic of quackery.
"The frothy orator, who busked his tales In quackish pomp of noisy words"

"The frothy orator, who busked his tales In quackish pomp of noisy words"

From quack + -ish.