Eons old Synonyms

We can't find synonyms for the phrase "Eons old", but we have synonyms for terms, you can combine them.

EO abbreviation

EO is an abbreviation for Eons Old
What does EO stand for?
EO stands for "Eons Old"

Definitions for Old


  • (adjective) being of advanced years and especially past middle age
  • (adjective) dating or surviving from the distant past
  • (adjective) having been such at some previous time