Synonyms and Antonyms for
eonian
1. eonian (adj.)
of or relating to a geological eon (longer than an era)
Synonyms:
aeonian
2. eonian (adj.)
continuing forever or indefinitely
Synonyms:
unceasing
perpetual
eternal
ageless
unending
permanent
everlasting
aeonian
lasting
Antonyms:
impermanent
