coeternal

adjective

co·​eter·​nal ˌkō-i-ˈtər-nᵊl How to pronounce coeternal (audio)
: equally or jointly eternal
… the old 19th-century view that … if life and matter are coeternal, there is no problem of the origin of life to be figured out.—Carl Sagan
coeternally adverb
existing coeternally
coeternity noun

Word History

Etymology

Middle English, borrowed from Late Latin coaeternālis, from Latin co- co- + Late Latin aeternālis eternal entry 1, after coaeternus "coeternal"

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of coeternal was in the 14th century

Dictionary Entries Near coeternal

coeteris paribus

coeternal

Coetzee

See More Nearby Entries 

Cite this Entry

“Coeternal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coeternal. Accessed 28 Nov. 2024.

Copy Citation

Share

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See All

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

Plural and Possessive Names: A Guide

The Difference Between 'i.e.' and 'e.g.'

Why is '-ed' sometimes pronounced at the end of a word?

What's the difference between 'fascism' and 'socialism'?
See All

Popular in Wordplay

See All

Terroir, Oenophile, & Magnum: Ten Words About Wine

8 Words for Lesser-Known Musical Instruments

10 Words from Taylor Swift Songs (Merriam's Version)

9 Superb Owl Words

15 Words That Used to Mean Something Different
See All

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A daily crossword with a twist
little chihuahua dressing like a turkey for thanksgiving
Is That Gratitude or Attitude? A Thanksgiving Quiz Decide which words express gratitude and which gi...