luːˈkjuːbreɪt

Definitions

1. verb

to engage in prolonged and often tedious mental effort, especially in studying or writing

“The student had to lucubrate late into the night to complete her thesis on time.”

2. noun

the act of engaging in prolonged and often tedious mental effort, especially in studying or writing

“Her lucubration on the topic was impressive, considering the complexity of the subject matter.”