as in major
having great meaning or lasting effect
a momentous occasion that will go down in the history books
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Recent Examples of momentous
After a few days of processing what had just happened, between the momentous assassination and his own expulsion, his mother drove him to the board of education headquarters on High Street.
—
Staff Report, Hartford Courant, 21 May 2025
Columbus, Ohio — At St. Joseph Cathedral in Columbus, Ohio, being on the altar feels momentous for Joseph Rolwing.
—Elaine Quijano, CBS News, 16 May 2025
Even casual fans are speculating on the significance of Johansson hosting the final episode of this momentous year.
—Andy Hoglund Updated, EW.com, 18 May 2025
The annual meeting was held on the same day, with further discussion about Berkshire Hathaway’s operations and the momentous announcement of Buffett’s retirement as CEO at the end of the year.
—Bill Stone, Forbes.com, 16 May 2025
See All Example Sentences for momentous
Staff Report, Hartford Courant, 21 May 2025
Columbus, Ohio — At St. Joseph Cathedral in Columbus, Ohio, being on the altar feels momentous for Joseph Rolwing.
—Elaine Quijano, CBS News, 16 May 2025
Even casual fans are speculating on the significance of Johansson hosting the final episode of this momentous year.
—Andy Hoglund Updated, EW.com, 18 May 2025
The annual meeting was held on the same day, with further discussion about Berkshire Hathaway’s operations and the momentous announcement of Buffett’s retirement as CEO at the end of the year.
—Bill Stone, Forbes.com, 16 May 2025
See All Example Sentences for momentous
Recent Examples of Synonyms for momentous
Adjective
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Catch Up On The Story Chelsea can become the first club to win all four major UEFA trophies – but who else could complete the set?—
Simon Johnson,
New York Times,
28 May 2025
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Attending orientation sessions, university athletics, and deciding on a choice of major are common priorities for many students.—
Eric Wood,
Forbes.com,
27 May 2025
Adjective
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The intelligence teams gather during interviews preceding testing is just as important, if not more so.—
Fluto Shinzawa,
New York Times,
31 May 2025
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Tire tread depth - Checking your tire tread before hitting the road is important, as low or no tread can lead to sliding.—
CA Weather Bot,
Sacbee.com,
31 May 2025
Adjective
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The storms have brought significant thunder and lightning but generally have been accompanied by light rainfall, a tenth of an inch or less.—
Clara Harter,
Los Angeles Times,
4 June 2025
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Kurt Polzin, chief engineer of NASA's space nuclear propulsion projects, said significant technical hurdles stand in the way of any propulsion system selected to power heavy cargo and humans to Mars.—
Stephen Clark – Jun 3,
ArsTechnica,
3 June 2025
Adjective
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Your town may have a trash pickup walk, a Thanksgiving turkey trot or a stroll to historic sites.—
Elizabeth Passarella,
New York Times,
6 June 2025
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No, something far more historic was happening that day.—
Patrick Salland,
Kansas City Star,
5 June 2025
Adjective
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Sign up to receive our biggest stories as soon as they’re published.—
Hannah Allam,
ProPublica,
31 May 2025
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But as his career picked up steam, some of his biggest new fans turned out to be country superstars like Morgan Wallen, Jelly Roll (who just brought BigX out during his 2025 Stagecoach set), Post Malone and Luke Combs.—
Michael Saponara,
Billboard,
30 May 2025
Cite this Entry
“Momentous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/momentous. Accessed 10 Jun. 2025.
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