crackpot

Indeed, Wolf's journey to the crackpot fringe was completed a long time ago.

In small steps, the crackpot architectural ideas of the past are becoming built parts of our cities.

That hardly sounds like some fire-breathing hard-right crackpot.

At an unaccredited college in Utah that was founded by acolytes of right-wing conspiracy-theorist crackpot Cleon Skousen.

But according to the Serious Men and Women of Washington, the FRC is not a crackpot outfit.

Projective telepathy had only been a crackpot's idea back then.

Other machines began to integrate crackpot reports of things sighted in divers places.

Calmly they accepted their rise in the world as being due to one of their local townspeople, a crackpot professor.

She more or less considered him a crackpot, as far as I remember, you see.

Crackpot minorities object loudly at being portrayed in films they don't like.