eclipse

1 of 2

noun

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
b
: to reduce in importance or repute
c
: surpass
her score eclipsed the old record

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
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Noun
For the best deep partial eclipse shots at sunset, position yourself west of the black line. Jamie Carter, Space.com, 13 June 2026 What scientists can learn from eclipses Solar eclipses present scientists with unique opportunities to study the sun and its corona, or outer atmosphere, and invite the public to participate as citizen scientists. Ashley Strickland, CNN Money, 6 June 2026
Verb
On Long Island, the 95-degree high eclipsed the old record high of 91, also set in 2017. Tony Sadiku, CBS News, 12 June 2026 New York had never trailed by more than 22 points in these playoffs, but that mark has been eclipsed three times already by San Antonio, which has led by 23, 24 and now 25 points in a jaw-dropping performance. Andrew Greif, NBC news, 11 June 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

Browse Nearby Words

Cite this Entry

“Eclipse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eclipse. Accessed 17 Jun. 2026.

Kids Definition

eclipse

1 of 2 noun
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

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