Eonian
Part of speech: adjective
Definition: Of or pertaining to an eon everlasting
Perpetual
Part of speech: adjective
Definition: Lasting forever, or for an indefinitely long timeSet up to be in effect or have tenure for an unlimited durationContinuing uninterruptedFlowering throughout the growing season
Example sentence: Love is an adventure and a conquest. It survives and develops, like the universe itself, only by perpetual discovery.