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au

What does au mean?

A fan story that transplants canon characters into a different setting, such as a coffee-shop, high-school, or Regency AU.

"The soulmate AU had me sobbing at 2am."

Origin

Fandom acronym for 'Alternate Universe'.

Frequently asked questions

What does AU mean in fanfiction?
AU stands for 'alternate universe', a fan story that transplants canon characters into a different setting, such as a coffee-shop, high-school, or Regency AU.
What are common types of AU?
Popular ones include coffee-shop AUs, high-school or college AUs, soulmate AUs, and historical settings like Regency AUs, each changing the world the characters live in.
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Slang definitions: FreeDict original editorial.