Big Huge Thesaurus

eonian

adjective

• aeonian
• ageless
• eternal
• everlasting
• perpetual
• unending
• unceasing
• geological time

related terms

• geologic time

similar terms

• lasting
• permanent

sounds kind of like

• em
• emmy
• emu
• en
• enamine
• ene
• enema
• enemy
• ennui
• eon