eclipse

1 of 2

noun

Synonyms of eclipsenext
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
The eclipse was not visible on Earth, only to the crew on Orion. Mark Osborne, CBS News, 11 Apr. 2026 The eclipse took place as Orion passed behind the moon, a phase of the mission that also involved a temporary communications blackout with Earth. Samantha Mathewson, Space.com, 10 Apr. 2026
Verb
In the two years since, Tisza has completely eclipsed Hungary’s old institutional opposition—a fractured gamut ranging from the far right to the left. Kapil Komireddi, New Yorker, 10 Apr. 2026 In a Cape Ann League tilt, Alaina Driscoll eclipsed 200 career draw controls as North Reading coasted to an 11-1 win over Essex Tech. Tyler McManus, Boston Herald, 9 Apr. 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

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Cite this Entry

“Eclipse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eclipse. Accessed 12 Apr. 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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