eonnoun [ C ]
also mainly UK aeon uk/ˈiː.ɒn/us/ˈiː.ɑːn/a period of time that is so long that it cannot be measured:
informal I've been waiting eons for my new computer.
Thesaurus: synonyms and related words
Long periods of time
- -athon
- aeon
- age
- donkey
- donkey's years idiom
- epoch
- era
- eternity
- good
- month
- not in a month of Sundays idiom
- yonks