"You mean they just happened to be talking in a strange, obscure language by sheer coincidence?"

A definition must not be expressed in ambiguous, obscure or figurative language.

His tongue shifted to an obscure language they both knew.

He might have been talking some obscure foreign language.

"I had it out just long enough to know that it's got a lot of very obscure language."

He was being critical of the obscure language used by other committee members.

Perhaps code for the project was written in that obscure language.

There is also a strong market for more obscure languages.

The site has also occasionally held contests in which visitors attempt to identify an obscure language.

A great many obscure languages were spoken and some children remained silent because no one else spoke their language.