At this point, however, Wagner, it seems, began to doubt the wisdom of writing an opera on such an obscure subject.

These often cover more obscure subjects than mainstream manufacturers.

More as in "why are we supposed to care that some person off the telly knows a bit about some obscure subject".

Wrote long books on obscure subjects that no one ever read.

Details of the game's origins in Australia are obscure and still the subject of much debate.

But if you want to start a blog in an obscure subject, then you can do so at zero cost.

A good expert witness, who can command $900 an hour or more, must be able to explain obscure subjects to a lay audience.

Sure to see this very obscure subject under a new light.

Thus, models of minor and obscure subjects are often manufactured using alternative processes.

He's been giving a paper on some terribly obscure subject.