saturnalia

noun

sat·​ur·​na·​lia ˌsa-tər-ˈnāl-yə How to pronounce saturnalia (audio)
-ˈnā-lē-ə
plural in form but singular or plural in construction
1
capitalized : the festival of Saturn in ancient Rome beginning on December 17
2
singular, plural saturnalias also saturnalia
a
: an unrestrained often licentious celebration : orgy
saturnalian
ˌsa-tər-ˈnāl-yən How to pronounce saturnalia (audio)
-ˈnā-lē-ən
adjective
saturnalianly adverb

Word History

Etymology

Latin, from neuter plural of saturnalis of Saturn, from Saturnus

First Known Use

1538, in the meaning defined at sense 1

Time Traveler
The first known use of saturnalia was in 1538

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Cite this Entry

“Saturnalia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/saturnalia. Accessed 10 Sep. 2025.

Kids Definition

saturnalia

singular or plural noun
sat·​ur·​na·​lia ˌsat-ər-ˈnāl-yə How to pronounce saturnalia (audio)
1
capitalized : the festival of the god Saturn celebrated in ancient Rome with feasting and wild revelry
2
: a celebration involving wild behavior : orgy
saturnalian adjective

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