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eonian

[ee-oh-nee-uh n]
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adjective
  1. aeonian.
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aeonian

or e·o·ni·an

[ee-oh-nee-uh n]
adjective
  1. eternal; everlasting.
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Origin of aeonian

1755–65; < Greek aiṓni(os) (aiṓn aeon + -ios adj. suffix) + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for eonian

eonian

adjective
  1. the usual US spelling of aeonian
  2. geology of or relating to an eon
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aeonian

eonian

adjective literary
  1. everlasting
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012