Festivus.
A nondenominational holiday featured in a Seinfeld episode, now celebrated (seriously or otherwise) on December 23rd.
Meaning & usage
A nondenominational holiday featured in a Seinfeld episode, now celebrated (seriously or otherwise) on December 23rd.
Where this word comes from
Coined by Daniel O'Keefe and popularized on the TV series Seinfeld; either borrowed from Latin fēstīvus or else derived from its English descendants festive and festival by adding the Latin suffix -us.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.