1. abstruse - Adjective
2. abstruse - Adjective Satellite
Concealed or hidden out of the way.
Remote from apprehension; difficult to be comprehended or understood; recondite; as, abstruse learning.
Source: Webster's dictionaryThe excellence of aphorisms consists not so much in the expression of some rare or abstruse sentiment, as in the comprehension of some useful truth in a few words. Samuel Johnson
My mind rebels at stagnation. Give me problems, give me work, give me the most abstruse cryptogram, or the most intricate analysis, and I am in my own proper atmosphere. But I abhor the dull routine of existence. I crave for mental exaltation. Arthur Conan Doyle
I cannot pretend to throw the least light on such abstruse problems. The mystery of the beginning of all things is insoluble by us; and I for one must be content to remain an Agnostic. Charles Darwin
It is as though a star throws the whole secret history of its being into its spectrum, and we have only to learn how to read it aright in order to solve the most abstruse problems of the physical Universe. Herbert Dingle
Nature ... is inexorable and immutable; she never transgresses the laws imposed upon her, or cares a whit whether her abstruse reasons and methods of operation are understandable to men. Galileo Galilei
Scouting is not an abstruse or difficult science: rather it is a jolly game if you take it in the right light. In the same time it is educative, and (like Mercy) it is apt to benefit him that giveth as well as him that receives. Robert Baden-Powell