eclipse

1 of 2

noun

i-ˈklips How to pronounce eclipse (audio)
Synonyms of eclipse
1
a
: the total or partial obscuring of one celestial body by another
b
: the passing into the shadow of a celestial body compare occultation, transit
2
: a falling into obscurity or decline
also : the state of being eclipsed
his reputation has fallen into eclipse
3
: the state of being in eclipse plumage

Illustration of eclipse

Illustration of eclipse
  • E earth
  • M moon in solar eclipse
  • P penumbra
  • S sun
  • U umbra

eclipse

2 of 2

verb

eclipsed; eclipsing

transitive verb

: to cause an eclipse of: such as
a
: obscure, darken
b
: to reduce in importance or repute
c
: surpass
her score eclipsed the old record

Synonyms of eclipse

Relevance

Noun

Verb

See All Synonyms & Antonyms in Thesaurus

Examples of eclipse in a Sentence

Noun an eclipse of the sun The popularity of television led to the eclipse of the radio drama. an artist whose reputation has long been in eclipse Verb The sun was partially eclipsed by the moon. Train travel was eclipsed by the growth of commercial airlines.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
However, anyone looking for ways to get temple architecture into images of an eclipse at zenith should look no further than these two large stone statues of Pharaoh Amenhotep III. — Jamie Carter, Space.com, 22 Oct. 2026 Mamut and Grönberg were persuaded by Paul Best, a new arrival at Elliott, who believed that the eclipse of brick-and-mortar retail by online commerce had been overstated, and that certain chains could flourish if well capitalized. — Nathan Heller, New Yorker, 19 Oct. 2026
Verb
The money raised by the candidates is eclipsed by the funds raised by outside committees working on each candidate’s behalf, which aren’t bound by contribution limits. — Melissa Gomez, Los Angeles Times, 23 Oct. 2026 And Musk’s reference to SpaceX making between $500 billion and $1 trillion in annual revenue by the end of 2027 vastly eclipsed the Street’s estimate of $186 billion. — Jim Edwards, Fortune, 22 Oct. 2026 See All Example Sentences for eclipse

Word History

Etymology

Noun

borrowed from Middle English eclipse, clips, borrowed from Anglo-French eclyps, eclypse, borrowed from Latin eclīpsis, borrowed from Greek ékleipsis "abandonment, failure, cessation, obscuring of a celestial body by another," from ekleípein "to leave out, abandon, cease, die, be obscured (of a celestial body)" (from ek- ec- + leípein "to leave, quit, be missing") + -sis -sis — more at delinquent entry 2

Verb

Middle English eclypsen, clypsen, derivative of eclipse eclipse entry 1, probably after Medieval Latin eclīpsāre or Middle French esclipser

First Known Use

Noun

13th century, in the meaning defined at sense 1a

Verb

13th century, in the meaning defined above

Time Traveler
The first known use of eclipse was in the 13th century

Phrases Containing eclipse

Rhymes for eclipse

See All Rhymes for eclipse

Browse Nearby Words

eclegma
eclipse
eclipse plumage
See all Nearby Words

Cite this Entry

“Eclipse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eclipse. Accessed 27 Oct. 2026.

Copy Citation

Kids Definition

eclipse

1 of 2 noun
i-ˈklips How to pronounce eclipse (audio)
1
a
: the total or partial hiding of a planet, star, or moon by another
b
: the passing into the shadow of a planet, star, or moon
2
: a falling into disgrace or out of use or public favor

eclipse

2 of 2 verb
eclipsed; eclipsing
1
: to cause an eclipse of
2
a
: to reduce in importance
b
: to do or be much better than : outshine

More from Merriam-Webster on eclipse

Britannica.com: Encyclopedia article about eclipse

Love words? Need even more definitions?

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

Last Updated: - Updated example sentences

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of milieu

See Definitions and Examples »

Popular in Grammar & Usage

See More

How to Use 'Who' vs. 'Whom'

Merriam-Webster’s Great Big List of Words You Love to Hate

'Affect' vs. 'Effect'

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

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

Popular in Wordplay

See More

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

12 Lovely and Unusual Words for the Natural World

Why do we 'bury the lede?'

'Za' and 9 Other Words to Help You Win at SCRABBLE
See More

Popular

See More

How to Use 'Who' vs. 'Whom'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't
See More

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 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?
The Missing Letter A daily crossword with a twist
different halloween monsters in silhouette
A Monstrous Vocab Quiz Words That Go Bump in the Night
See All