Etymology

anon

a·non
A1N1O1N1

Today it means: Straight away; at once. Full definition →

Middle English anoon
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anon · adverb1

  1. Middle English · derived fromanoon
  2. English todayanon

From Middle English anoon, anon, anan (literally “in one (moment)”), from on (“in”) + ān (“one”). See on and one.

anon · noun, adjective2

Clipping of anonymous.

Anon · proper noun3

Shortened form of anonymous

Etymology from Wiktionary, CC BY-SA 4.0.