eons ago

ADVERB

anciently

Synonyms

WEAK

back when in days of yore long ago of old olden days

ADVERB

formerly

Synonyms

STRONGEST

already earlier heretofore once

STRONG

erstwhile

WEAK

a while back aforetime anciently at one time away back back back when before before now before this down memory lane erewhile in former times in the olden days in the past lately long ago of old of yore olden days once upon a time radically some time ago time was used to be water under the bridge

Antonyms

WEAK

currently future presently subsequently

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Harold Prince’s 1979 Broadway premiere, starring Len Cariou and Angela Lansbury, seems like eons ago in terms of creative possibility.

From Los Angeles Times • Feb. 3, 2026

The dot-com bubble was nearing its peak 26 years ago, and on Wall Street, where most careers are not even measured in decades, that’s eons ago.

From MarketWatch • Oct. 31, 2025

One theory holds that, eons ago, several apocalyptic eruptions set off a runaway greenhouse effect on Venus, turning it from a temperate, waterlogged world into an arid desert of burned glass.

From New York Times • May 27, 2024

In a bit of biological magic, some tiny, jellyfish-like creatures learned eons ago how to weave seawater into durable, life-sustaining, rocky coral reefs, which provide billions in economic benefits.

From Science Daily • Mar. 7, 2024

For soil is in part a creation of life, born of a marvelous interaction of life and nonlife long eons ago.

From "Silent Spring" by Rachel Carson

eons ago

Example Sentences

Related Words