Relating to a canon. The word is mostly used in fan fiction to describe a piece of information as official.
Canonically, the Among Us impostors are an alien species that can shapeshift.
by Slymeball January 25, 2021
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/ˈkanən/
(canonical, canonically, canons)
NOUN

A word to describe something that is true to the original story.

Things considered “canon” are basically considered “true” (in the story).

-Similar Words:
Not Canon; Something that isn’t true to the original story.
Head-Canon; Usually used when someone creates their own AU (Alternate Universe), and adds their own “canon” part in their story.

Usually describes fiction.
Often confused with “cannon”.

Can be used in sentences as;
“George was not a canon character is the series, but they used it in their AU, regardless.”

“My AU was not canon to the original plot in the movie, but I think people will like this spin on the story.”

“They had made their own head-canon, where Lucy had survived the explosion.”
by EggyYolkZ October 15, 2021
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In slang, a word used by those who write fanfiction. It refers to the original body of work that the fanfiction came from.
Her fanfiction ideas screwed around with the canon storyline of Buffy: The Vampire Slayer.
by Kathy October 03, 2003
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The real deal; a piece that is widely recognized as a genuine member of the body of work (oeuvre) of a given artist/writer/composer; a standard by which all others are compared.
I just finished reading the "canonical list of auto plurals" on manofleisure.us
by khiddy June 02, 2004
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The standard form of a mathmematical equation that can be written in many ways, making it easier to compare to other forms of the same equation.
The canonical sum of products form for representing the boolean function OR is simply A + B
by mkalo June 03, 2004
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A piece of work -usually in reference to literature- that was written by the original author. Spin-offs, fan fiction, and any work not written by the original author of that fictional universe is considered non-canon.
I got sad at the end of Rurouni Kenshin: Seisouhen. Good thing it took out a lot of chunks from the original plot and wasn't written by Nobuhiro Watsuki, or else it would have been considered canon. :D
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Oh my GOD that Naruto fan fiction SUCKED! Thank God it wasn't canon.
by gunslingergirlvy_c_e October 07, 2007
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