[ loo-kyoo-brey-shuh n ]
/ ˌlu kyʊˈbreɪ ʃən /


laborious work, study, thought, etc., especially at night.
the result of such activity, as a learned speech or dissertation.
Often lucubrations. any literary effort, especially of a pretentious or solemn nature.

Origin of lucubration

1585–95; < Latin lūcubrātiōn- (stem of lūcubrātiō) night-work. See lucubrate, -ion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lucubration

British Dictionary definitions for lucubration


/ (ˌluːkjʊˈbreɪʃən) /


laborious study, esp at night
(often plural) a solemn literary work
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for lucubration



1590s, "literary work showing signs of too-careful elaboration," from Latin lucubrationem (nominative lucubratio) "nocturnal study, night work," noun of action from past participle stem of lucubrare, literally "to work by artificial light," from stem of lucere "to shine" (see light (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper