AO3
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Abbreviation of Archive of Our Own.
Register: slang
Where it’s used:
Used
American English
Examples
LiveJournal and AO3 rely largely on tags, whilst Fanfiction.net has genre and character filters as well as a keyword search.
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 “AO3” mean?
Abbreviation of Archive of Our Own.
Is “AO3” formal or informal?
AO3 is generally slang.