momentous

adjective
mo·​men·​tous | \ mō-ˈmen-təs How to pronounce momentous (audio) , mə-\

Definition of momentous

: important, consequential a momentous decision a momentous event

Keep scrolling for more

Other Words from momentous

momentously adverb
momentousness noun

Examples of momentous in a Sentence

My college graduation was a momentous day in my life. a momentous occasion that will go down in the history books

Recent Examples on the Web

Of course, with such a momentous occasion to plan ahead for, Kate had the perfect outfit waiting quietly in her wardrobe, and definitely did not disappoint on the fashion front. Lucy Wood, Marie Claire, "Kate Middleton and Meghan Markle's First Solo Appearances with the Queen, Compared," 19 Mar. 2019 Nevertheless, a decision by its junior coalition partner to oppose nuclear sharing would be momentous, putting into question an institution that is as old as Germany’s 1955 membership of the North Atlantic Treaty Organization. Bojan Pancevski, WSJ, "In Germany, a Cold War Deal to Host U.S. Nuclear Weapons Is Now in Question," 12 Feb. 2019 Yet the summer of 2018 could still be momentous for Pulisic. Grant Wahl, SI.com, "Masters of Modern Soccer: Christian Pulisic and the Craft of the Attacking Midfielder," 1 May 2018 This song really puts into perspective how momentous this time really is. Kristin Harris, Seventeen, "25 Tear-Inducing Graduation Songs That Perfectly Sum Up All the Feels," 30 Mar. 2018 Laguna Presbyterian celebrated its 100th anniversary in 2017, a doubly momentous year because the church was able to pay off its mortgage, Tankersley said. Bradley Zint, latimes.com, "Pastor Jerry Tankersley will retire after 46 years at Laguna Presbyterian Church," 19 June 2018 Such a momentous year would have sparked a flurry of anniversary books, articles, and TV specials under any circumstance. Will Bunch, Philly.com, "How the chaos of 1968 set the stage for a President Donald Trump | Will Bunch," 24 May 2018 That turned out to be a momentous year: the one when Chiang Kai-shek’s son and successor, Chiang Ching-kuo, lifted martial law that had been in force on the island since the KMT fled there. The Economist, "The next sunriseIdeas from abroad take time to percolate," 17 May 2018 After going through perhaps the most momentous year in its 20-year history, Sempra Energy gets a new CEO on Tuesday. Rob Nikolewski, sandiegouniontribune.com, "Opportunities and challenges greet Jeff Martin, Sempra's new CEO," 29 Apr. 2018

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.

See More

First Known Use of momentous

1656, in the meaning defined above

Keep scrolling for more

Learn More about momentous

Statistics for momentous

Last Updated

2 May 2019

Look-up Popularity

Time Traveler for momentous

The first known use of momentous was in 1656

See more words from the same year

Keep scrolling for more

More Definitions for momentous

momentous

adjective

English Language Learners Definition of momentous

: very important : having great or lasting importance

momentous

adjective
mo·​men·​tous | \ mō-ˈmen-təs How to pronounce momentous (audio) \

Kids Definition of momentous

: very important a momentous decision

Keep scrolling for more

Comments on momentous

What made you want to look up momentous? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

one that collects or salvages junk

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!