verb intransitiveWord forms: ˈlucuˌbrated or ˈlucuˌbrating
to work, study, or write laboriously, esp. late
to write in a scholarly manner
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'lucubrate'
< L lucubratus
, pp. of lucubrare
, to work by candlelight < lux