as in major
having great meaning or lasting effect
a momentous occasion that will go down in the history books
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Example Sentences
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Recent Examples of momentous
Here’s what to know about the momentous achievement in marine biology.
—
Julia Gomez, USA Today, 23 Sep. 2025
Elsewhere, Sunday was a momentous afternoon for Pittsburgh Steelers quarterback Aaron Rodgers.
—Ben Morse, CNN Money, 22 Sep. 2025
When a person turns 70, the milestone calls for a momentous birthday bash.
—Kate Bradshaw, Mercury News, 19 Sep. 2025
The end of the Vietnam War in 1975 brought another momentous change to Orange County.
—Ron Hasse, Oc Register, 19 Sep. 2025
See All Example Sentences for momentous
Julia Gomez, USA Today, 23 Sep. 2025
Elsewhere, Sunday was a momentous afternoon for Pittsburgh Steelers quarterback Aaron Rodgers.
—Ben Morse, CNN Money, 22 Sep. 2025
When a person turns 70, the milestone calls for a momentous birthday bash.
—Kate Bradshaw, Mercury News, 19 Sep. 2025
The end of the Vietnam War in 1975 brought another momentous change to Orange County.
—Ron Hasse, Oc Register, 19 Sep. 2025
See All Example Sentences for momentous
Recent Examples of Synonyms for momentous
Adjective
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Here's your daily look at traffic on major highways in the Kansas City area.—
Kansas City Star,
Kansas City Star,
12 Oct. 2025
-
While that would be a major surprise, the possibility cannot be written off.—
Evan Massey,
MSNBC Newsweek,
11 Oct. 2025
Adjective
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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.—
NC Weather Bot,
Charlotte Observer,
12 Oct. 2025
-
While the jury is out on the exact cause of Harry Potter’s enduring popularity, Beach and Willner highlight an important point in its favor.—
JSTOR Daily,
JSTOR Daily,
12 Oct. 2025
Adjective
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Studies show that fines that don’t put a significant dent in a company’s profit don’t deter companies from future violations, Leffel said.—
Anjeanette Damon,
ProPublica,
10 Oct. 2025
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These real-time notifications act as an early warning system, giving you a chance to lock down your accounts before significant damage occurs.—
Kurt Knutsson,
FOXNews.com,
9 Oct. 2025
Adjective
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This has triggered debate among people with historic association to United.—
Laurie Whitwell,
New York Times,
7 Oct. 2025
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Two months after historic floods swept through the Milwaukee area, new data shows that nearly 2,200 homes throughout Milwaukee County sustained major damage or were destroyed.—
Claudia Levens,
jsonline.com,
6 Oct. 2025
Adjective
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Yet, on arguably the country’s biggest sporting day, the then-19-year-old showed no glimmer of nerves.—
Sam Dalling,
New York Times,
7 Oct. 2025
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That doesn’t bode well for a Boise State team allowing 225.7 yards per game through the air, which ranks 85th in the country, and getting beaten for big plays.—
Shaun Goodwin,
Idaho Statesman,
27 Sep. 2025
Cite this Entry
“Momentous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/momentous. Accessed 14 Oct. 2025.
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