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momentous

A1
adjective

Pronunciation

UK

  • /məʊmˈɛntəs/

US

  • /moʊˈmɛntəs/

Description

A momentous occasion isn't just any event—it's one that will be remembered for a long time because of its importance. Think about the first steps on the moon or a wedding day; these are moments filled with weight and meaning.

The word comes from "moment," but it doesn't simply mean something happening at a specific time. It suggests something that changes things, creating effects that are felt far beyond the immediate moment. A momentous decision might alter the course of your life, while a momentous discovery could change the world. You wouldn't describe grabbing coffee as momentous, but you would use it to describe a major historical event or a deeply personal turning point.

Examples

  1. 1

    Family event

    Today is a momentous day for our family.

  2. 2

    Life decision

    Accepting the job overseas was a momentous decision for her.

  3. 3

    Election

    The election marked a momentous shift in the country's politics.

  4. 4

    Scientific discovery

    Scientists described the discovery as a momentous breakthrough.

  5. 5

    Later importance

    At the time, none of them realized how momentous that meeting would be.

See also

adjectivevery important, especially because of future consequences

Similar

Shades of meaning

Contrast

Do not confuse

Used with (collocations)

  • momentous occasion
  • momentous decision
  • momentous event
  • momentous change

Word family

  • momentously
  • momentousness

Explore

  • turning point
  • lasting impact

Forms and spellings

1 form open this card.

Main spelling

  • momentousadjective