abstruse

an abstruse philosophical inquiry.

the abstruse phraseology of physics;

How can a nonscientist explain an abstruse theory with such assurance?

It was difficult to discern that despite all the abstruse vocabulary the professor was really a charlatan.

The professor's lectures were so abstruse that students tended to avoid them. What is

His abstruse theories are difficult for most people to understand.

She enjoys reading abstruse philosophical texts in her free time.

The professor's lecture on quantum physics was too abstruse for the students.

The abstruse language used in the legal documents confused the clients.

The novel's plot was so abstruse that many readers struggled to follow it.

He delved into the abstruse world of abstract mathematics.

The abstruse nature of the topic made it challenging for beginners to grasp.

The abstruse language in the technical manual was a barrier to understanding for many users.

The poet's abstruse verses required careful analysis to uncover their meaning.

The abstruse concepts presented in the research paper challenged traditional beliefs.