The study of languages, as well as more abstruse scientific subjects, occupied the chief part of his attention, and to which he applied himself with all his native love of learning.

"In none of those abstruse subjects," Vance assured him.

When I was a college student in the late 1970's, these services were targeted at those students who didn't have the intelligence or patience to write their own term papers about abstruse academic subjects.

I'm not saying it's too difficult for me but genetics is an abstruse subject.

Inevitably, one encounters articles on relatively abstruse subjects that, owing to concision, are not easily understood, chiefly because they assume a level of sophistication not necessarily possessed by the user.

When Calhoun talked conversationally, Murgatroyd adored pretending that he discussed abstruse subjects with him.

For almost twenty years Livio has popularized abstruse subjects in astronomy and mathematics through books, lectures, magazine articles, and radio and television appearances.

'An abstruse subject, I should conceive,' said Mr. Pickwick.

The lecturer's task is not to act in the medieval sense and be a reader of scarce books, but to explain the difficult parts of an abstruse subject.

Most of the projects are of the kitchen-table variety, but the latter part of the book touches on more abstruse subjects like chaos theory and fractal geometry.