as in major
having great meaning or lasting effect
a momentous occasion that will go down in the history books
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Antonyms & Near Antonyms
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Recent Examples of momentous
The Hannah Montana 20th Anniversary Special might have already premiered, but Miley Cyrus isn’t quite yet done celebrating the momentous occasion.
—
Annie Harrigan, Billboard, 25 Mar. 2026
Evaluating extraordinary claims Detecting extraterrestrial life in any form would be a momentous occasion, so, as Impey wrote, making a declaration might not be cut-and-dried.
—Mary Magnuson, The Conversation, 20 Mar. 2026
Sunday's win for Jordan feels even more momentous given a particularly egregious moment that happened earlier in late February.
—Nick Romano, Entertainment Weekly, 16 Mar. 2026
America will celebrate not just one, but two momentous anniversaries this year.
—John F. Crowley, STAT, 12 Mar. 2026
See All Example Sentences for momentous
Annie Harrigan, Billboard, 25 Mar. 2026
Evaluating extraordinary claims Detecting extraterrestrial life in any form would be a momentous occasion, so, as Impey wrote, making a declaration might not be cut-and-dried.
—Mary Magnuson, The Conversation, 20 Mar. 2026
Sunday's win for Jordan feels even more momentous given a particularly egregious moment that happened earlier in late February.
—Nick Romano, Entertainment Weekly, 16 Mar. 2026
America will celebrate not just one, but two momentous anniversaries this year.
—John F. Crowley, STAT, 12 Mar. 2026
See All Example Sentences for momentous
Recent Examples of Synonyms for momentous
Adjective
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Following the price gouging session, two major refineries — Valero in the San Francisco Bay Area and Wilmington Phillips 66 in the Los Angeles area — have shut down, taking hundreds of jobs and nearly one-fifth of the state's gasoline production with them.—
Richard Ramos,
CBS News,
3 Apr. 2026
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On Day 1, the astronauts made it safely into Earth's orbit and the mission reached the end of its first major propulsion phase, NASA said.—
Amanda Lee Myers,
USA Today,
3 Apr. 2026
Adjective
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Another important note to make is that Lupaia is closed during the winter season for improvements to the rooms, garden, public area, and overall guest experience since the weather is too unpredictable to welcome guests during that time anyway.—
Condé Nast,
Condé Nast Traveler,
3 Apr. 2026
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Nonresidents have such an important role to play in the management of wildlife in Wyoming, and obviously nonresident [hunting and fishing] licenses cost a lot more than resident ones do.—
Natalie Krebs,
Outdoor Life,
3 Apr. 2026
Adjective
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Charlotte home prices rose slightly in February compared to the same time last year, although certain neighborhoods had significant swings up or down, according to the latest data from the real estate site Redfin.—
Chase Jordan
April 7,
Charlotte Observer,
7 Apr. 2026
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The Bengals can get by from this point forward without checking these boxes, but the fallout wouldn’t be as significant as missing on the top four.—
Paul Dehner Jr,
New York Times,
7 Apr. 2026
Adjective
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There were questions, as late as Friday, whether the 26,700-seat stadium would be ready to host the historic occasion.—
Miami Herald,
Miami Herald,
5 Apr. 2026
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And with those words from Mission Control on April 2, the Artemis II astronauts were given the green light to fire up their engine, leave Earth orbit and head for their historic rendezvous with the moon.—
Robert Abitbol,
USA Today,
4 Apr. 2026
Adjective
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The National Park Service long believed the 2,990-acre island was big enough to support 130 horses, but that has changed.—
Mark Price,
Charlotte Observer,
8 Apr. 2026
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What is expected to be the biggest gathering of possible Democratic 2028 presidential hopefuls is set to happen at the convention for the National Action Network, an organization dedicated to fighting for civil rights and equality.—
Hannah Demissie,
ABC News,
8 Apr. 2026
Cite this Entry
“Momentous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/momentous. Accessed 8 Apr. 2026.
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