dunesday

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

The future simultaneous release of two anticipated films (Dune: Part Three and Avengers: Doomsday) on December 18, 2026.

Register: slang

Where it’s used: Used American English

Examples

The delay puts Doomsday in direct box-office collision with Dune: Messiah, the third and final installment of Denis Villeneuve’s Dune saga. The internet, unsurprisingly, already has a name for the upcoming double blockbuster weekend: Dunesday.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “dunesday” mean?

The future simultaneous release of two anticipated films (Dune: Part Three and Avengers: Doomsday) on December 18, 2026.

Is “dunesday” formal or informal?

dunesday is generally slang.