We still hadn't quite figured out what it was, although I had some pretty far-fetched theories.

"That's a pretty far-fetched theory," said the mechanician as he carefully looked at the tracks.

Beth knew the group was crazy, but they were holding the guns, and however far-fetched their theories, they were serious.

Jennifer, I don't think your theory's far-fetched at all -as a theory.

Poirot, who had collected certain bits of evidence in favour of his own somewhat far-fetched theory, was deeply disappointed.

As it is, it's all theory and rather far-fetched theory at that.

We don't have a shred of evidence, just a bunch of far-fetched theories.

We must, I think, discard all far-fetched theories and confine ourselves to sober fact.

You come up with some far-fetched psychedelic theory to prove that I was in your room last night when there's a much simpler answer.

Maybe it was the kind of far-fetched theory one usually got on the edge of sleep and would seem utterly absurd in the morning light.