1. to study or work late into the night; to burn the midnight oil
Usage: formal; literary
2. to write or compose with great care and effort, especially at night
Usage: formal; literary

Examples

• The scholar lucubrated for hours in the library, determined to finish her research.
• He lucubrated over his manuscript every night, revising each sentence with meticulous care.
• Students often lucubrate before final exams, studying deep into the morning.
• The author lucubrated on her novel, working by candlelight until dawn.
• They lucubrated together in the study, preparing for the important presentation.
• She lucubrated over the difficult problem until she found the solution.