momentous

adjective mo·men·tous \ mō-ˈmen-təs , mə- \

Definition of momentous

:important, consequential
  • a momentous decision
  • a momentous event

momentously

adverb

momentousness

noun

Examples of momentous in a Sentence

  1. My college graduation was a momentous day in my life.

  2. a momentous occasion that will go down in the history books

Recent Examples of momentous from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'momentous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of momentous

1656


MOMENTOUS Defined for English Language Learners

momentous

adjective

Definition of momentous for English Language Learners

  • : very important : having great or lasting importance


MOMENTOUS Defined for Kids

momentous

adjective mo·men·tous \ mō-ˈmen-təs \

Definition of momentous for Students

:very important
  • a momentous decision


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