All donkey's years synonyms

noun donkey's years

• time immemorial — Also called time out of mind. time in the distant past beyond memory or record: Those carvings have been there from time immemorial.
• time out of mind — time immemorial (def 1).
• aeon — An aeon is an extremely long period of time.
• forever and a day — without ever ending; eternally: to last forever.
• coon's age — a long time