eclipse

eclipse — noun

1. A sky event in which one heavenly body moves into another's shadow, blocking the

1.nounB1
Definition

A sky event in which one heavenly body moves into another's shadow, blocking the light so that the hidden body becomes partly or fully invisible to viewers on Earth.

Example

The total solar eclipse drew thousands of visitors to the small town in Oregon.

total solar eclipse — complete blocking of the sun

Jisoo's class watched the partial lunar eclipse through special telescopes at the school observatory.

partial lunar eclipse — Earth's shadow covers part of the moon

Common collocations
  • total eclipse
  • partial eclipse
  • solar eclipse
  • lunar eclipse
  • annular eclipse
  • eclipse of the sun
  • eclipse of the moon
Synonyms
  • occultation

    technical astronomy term; narrower, refers to one object hiding another completely

  • shadow

    more general; eclipse is a specific type of shadow event

Grammar Patterns

eclipse + of + noun phrase

solar eclipse / lunar eclipse

Usage Note

Often paired with the adjectives solar (for the sun being blocked) or lunar (for the moon being blocked). Total eclipse means the body is fully hidden; partial eclipse means only a portion is covered.

Common Mistakes

I want to see a solar eclipse with naked eyes.
I want to see a solar eclipse with special protective glasses.
Looking directly at a solar eclipse can damage your eyes permanently.
There will be a sun eclipse next week.
There will be a solar eclipse next week.
Use solar (not sun) as the adjective for eclipses of the sun.

2. The process by which a person, organization, activity, or tradition gradually lo

2.nounC1
Definition

The process by which a person, organization, activity, or tradition gradually loses its former influence, popularity, or power.

Example

The eclipse of the once-powerful empire took place over several decades.

eclipse of + [entity] — figurative decline

Fans mourned the eclipse of the beloved newspaper after the digital takeover.

Common collocations
  • in eclipse
  • fall into eclipse
  • gradual eclipse
  • eclipse of power
  • eclipse of influence
Synonyms
  • decline

    more common and general; eclipse suggests a gradual fading rather than a drop in quality or quantity

  • downfall

    more dramatic and sudden; eclipse implies a slower process

  • obscurity

    focuses on being forgotten rather than losing importance

Antonyms
  • rise

    increase in importance or power

  • ascendancy

    a position of growing influence

Grammar Patterns

eclipse + of + noun phrase

in eclipse

fall into eclipse

Usage Note

Subject is usually an abstract noun referring to an institution, tradition, or field of activity. Common in academic and literary writing. Unlike verb sense 2, this noun sense focuses on the decline itself rather than on an active act of surpassing.

Common Mistakes

The company's eclipse happened because of new technology.
The eclipse of the company happened because of new technology.
Use the possessive or the structure eclipse of + noun rather than company's eclipse.

eclipse — verb

Word family

  • eclipsed
    adjectiveB2
  • eclipsing
    adjectiveC1

Synonym discussion

Sense: verb/2

All four verbs describe one person or thing doing better than another, but they differ in emphasis. Surpass is the most neutral term — it simply means to go beyond someone in achievement or quality (e.g., the runner surpassed the world record). Outshine suggests a visible brightness that makes the rival look dull in comparison, often used in performance or talent contexts (e.g., the young violinist outshone her teachers). Overshadow focuses on the effect of making another seem less important, without necessarily being better in every way — a large company might overshadow a smaller one even if the smaller one is more innovative. Outdo is about beating someone at a specific task, often in a competitive or personal way (e.g., she outdid her brother at chess). Eclipse carries the strongest metaphorical force from its astronomical origin: it implies the surpassed rival is almost completely hidden from view, no longer in the spotlight.

surpassoutshineovershadowoutdo

Common collocations

Etymology

GreekLatinFrenchEnglish

Eclipse entered English in the 13th century through Old French, from Latin eclipsis, which came from Greek ékleipsis (ἔκλειψις), meaning 'a failure, abandonment, or forsaking'. The Greek word was formed from ek- ('out') and leipein ('to leave'), so the literal sense was 'a leaving out' or 'a failing to appear'. The astronomical meaning — one heavenly body failing to shine because another blocks its light — was already present in ancient Greek. By the late 16th century, English writers had extended the word figuratively to describe any situation in which one thing surpasses another so completely that it seems to vanish from notice.