eonian

Definitions of eonian
  1. adjective
    of or relating to a geological eon (longer than an era)
    synonyms: aeonian
  2. adjective
    continuing forever or indefinitely
    synonyms: aeonian, ageless, eternal, everlasting, perpetual, unceasing, unending
    lasting, permanent
    continuing or enduring without marked change in status or condition or place
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