The round-faced Jew drew back suspiciously to consider this preposterous theory, and he found that to him the broken wrist conveyed no such language.

There have been seemingly preposterous theories that later proved correct, such as the idea that the continents are moving relative to one another.

You would do well to forget such a preposterous theory, young man.

'You're going to come up with some preposterous theory about the devil having been called up,' the policeman's tone was heavy with sarcasm.

He has a preposterous theory!

According to his preposterous theory, you could in conversation with a woman reconstruct the last man who had made an impression to her.

Oh, I never really believed that preposterous theory for one moment.

It is bad enough when pseudoscientific types proffer preposterous theories, but now we have an intellectually curious English professor's contentions to deal with.

Anyone who maintained such a preposterous theory would be considered mad, and rightly so!

I think these things, and then I stop, appalled that I should be giving a moment's credence to such a preposterous theory.