Definition of "lucubrating" []

• Present participle of lucubrate. (verb)

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• "The trouble is that Mr. Albee has never been at his best when lucubrating on such Great Big Topics, irresistibly drawn to them though he is, which may explain why he tends to smother them in the garrulous clatter of meaningless wordplay."
• "On a recent visit to the campus, I saw students openly festinating on the malls, conjugating in the halls, and even lucubrating in library stalls till all hours of the night!"