turgid

"The professor's speech was so grandiloquent, filled with obscure words and complex sentences, that the students struggled to understand his main point. "

"My teacher explained the new math concept, and I understood it perfectly. "

"My sister is very helpful, especially when it comes to organizing things. "

"After eating too much pizza, her stomach distended uncomfortably. "

"Professor Smith, the head of the history department, gave a fascinating lecture on the Roman Empire. "

"an expansive research work"

"The court returned a sentence of guilt in the first charge, but innocence in the second."

"The student's presentation was bombastic, filled with overly dramatic language and big words that didn't really add anything to his explanation. "

"We saw the internal compartments."

"The complicated instructions on the new software difficult me from completing the project on time. "

"The math problem seemed impossibly difficult; I couldn't even understand where to start. "

"The teacher complicated the math problem by adding several extra steps. "