Like a quack or charlatan; dealing in quackery; humbugging.

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

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

"His religious interview subjects on his world-tour range from the brilliant (Dr. Francis Collins, a scientist on the human genome project and an evangelical Christian), the bizarre (the actor who plays Jesus at The Holy Land Experience theme park in Orlando), the quackish (Jose Luis de Jesus Miranda, who claims to be a reincarnation of Christ), and the downright frightening (Aki Nawaz, aka Propa-Gandhi, a Muslim British rapper who glorifies suicide bombing)."

quackishly  quackishness  

Gianna  Nikki  alimentary  cart-horse  empiric  

boasting