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
Over the next five years, New York City will welcome two new momentous spaces for the arts, both along Manhattan’s iconic Fifth Avenue, some 40 blocks apart.
—
Jacqui Palumbo, CNN Money, 8 Oct. 2025
The reformation of the band was casually dropped on the surprised crowd in Cleveland partway through what started off as a far less momentous conversation.
—Annie Zaleski, Variety, 6 Oct. 2025
This new perspective is so momentous that the series is changing its name from Interview With the Vampire to The Vampire Lestat, the same name as Anne Rice's 1985 novel about Lestat's rise to rock stardom.
—Randall Colburn, Entertainment Weekly, 1 Oct. 2025
The momentous event included a Mass at her Catholic church and reception for 150 friends and family at Delta Blues Winery in Memphis.
—Dawn Klavon, PEOPLE, 1 Oct. 2025
See All Example Sentences for momentous
Jacqui Palumbo, CNN Money, 8 Oct. 2025
The reformation of the band was casually dropped on the surprised crowd in Cleveland partway through what started off as a far less momentous conversation.
—Annie Zaleski, Variety, 6 Oct. 2025
This new perspective is so momentous that the series is changing its name from Interview With the Vampire to The Vampire Lestat, the same name as Anne Rice's 1985 novel about Lestat's rise to rock stardom.
—Randall Colburn, Entertainment Weekly, 1 Oct. 2025
The momentous event included a Mass at her Catholic church and reception for 150 friends and family at Delta Blues Winery in Memphis.
—Dawn Klavon, PEOPLE, 1 Oct. 2025
See All Example Sentences for momentous
Recent Examples of Synonyms for momentous
Adjective
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The Oceans 11 star said that being in such close proximity to major stars taught him an important lesson early in his career.—
Toria Sheffield,
PEOPLE,
26 Oct. 2025
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Later, Owsley Brown II served as board president during major funding drives to build the theater's facilities.—
Maggie Menderski,
Louisville Courier Journal,
26 Oct. 2025
Adjective
-
The Oceans 11 star said that being in such close proximity to major stars taught him an important lesson early in his career.—
Toria Sheffield,
PEOPLE,
26 Oct. 2025
-
For Arsenal, consistency of performances and results is so important to Arteta, with the 43-year-old often highlighting its significance in building them back to being one of Europe’s elite sides.—
Mark Carey,
New York Times,
25 Oct. 2025
Adjective
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Both ends of the leash will simply enjoy having people pet the therapy dog, chat with the handler, try to calm their nerves before running their big race, and, hopefully, have a significant, measurable feeling of relaxation.—
Kelli Bender,
PEOPLE,
31 Oct. 2025
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The companies that figure out how to orchestrate these cybernetic teams—where AI truly functions as a teammate rather than just a tool—will have a significant competitive advantage in the innovation economy.—
François Candelon,
Fortune,
31 Oct. 2025
Adjective
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The restoration aligns with federal responsibilities under historic-preservation law and recent executive orders to beautify the nation's capital and restore pre-existing statues.—
NPR,
NPR,
28 Oct. 2025
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So said Matilde Ratti on a video call with WWD ahead of the celebrations that over the weekend marked the 80th anniversary of the historic Italian multibrand retailer bearing her surname.—
Sandra Salibian,
Footwear News,
27 Oct. 2025
Adjective
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The formation of this new military service is the biggest signal yet that the United States is preparing to deter wars in space and, in the worst-case scenario, fight them.—
Literary Hub,
Literary Hub,
28 Oct. 2025
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This is the web version of Fortune Tech, a daily newsletter breaking down the biggest players and stories shaping the future.—
Andrew Nusca,
Fortune,
28 Oct. 2025
Cite this Entry
“Momentous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/momentous. Accessed 3 Nov. 2025.
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