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
The fact that so many young people are still turning to poetry feels, to me, significant, if not momentous.
—
Sean Murphy,
The Conversation,
25 June 2026
Mbappé scored in the 14th and 54th minutes to cap a momentous and soggy 100th international appearance for one of the best players in the world.
—
CBS News,
22 June 2026
Seeing the Monarchs greet each player and then cut it up with them was an iconic moment on a momentous evening for Curaçao.
—
Pete Grathoff
june 21,
Kansas City Star,
21 June 2026
For gasoline is not only a commodity governed by normal supply and demand—it can also be caught up in momentous world events.
—
Daniel Yergin,
Time,
20 June 2026
See All Example Sentences for momentous
Sean Murphy,
The Conversation,
25 June 2026
Mbappé scored in the 14th and 54th minutes to cap a momentous and soggy 100th international appearance for one of the best players in the world.
—
CBS News,
22 June 2026
Seeing the Monarchs greet each player and then cut it up with them was an iconic moment on a momentous evening for Curaçao.
—
Pete Grathoff
june 21,
Kansas City Star,
21 June 2026
For gasoline is not only a commodity governed by normal supply and demand—it can also be caught up in momentous world events.
—
Daniel Yergin,
Time,
20 June 2026
See All Example Sentences for momentous
Recent Examples of Synonyms for momentous
Adjective
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Maybe Bill Plaschke would be aware of that, and give due credit, if his hometown major newspaper bothered to have a dedicated correspondent covering one of the city’s NBA teams.
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Some of these storms could be severe and deliver damaging wind gusts, but any thunderstorm will contain lightning — a major danger for any outdoor activities, especially for anyone trying to escape the heat in or on the water.
Adjective
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To address those concerns, Hulls has committed roughly $15 million to establish the Good Luck Fund, which acquires and preserves properties considered important to the community.
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What are the most important values of the community that the superintendent must honor regardless of pressure or politics?
Adjective
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The heatwave has been significant enough to prompt major fashion houses to accommodate last-minute schedule changes.
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Damaged coating can cause significant problems, leading to violations of ecological regulations and insurers’ biofoul clauses.
Adjective
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The historic 1920s tower that once housed the beloved Ace Hotel is entering a new era just in time for the summer.
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As a potentially historic heat wave hits Philadelphia, many fans made cooling off their first priority during Wednesday's Phillies game against the Pittsburgh Pirates at Citizens Bank Park.
Adjective
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Meta, Oracle, Microsoft and other big tech companies have laid off tens of thousands of employees, while simultaneously investing billions in AI data centers.
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Also in attendance to celebrate the couple on their big day was Dunham's ex and Swift's longtime collaborator, Jack Antonoff, who was seen leaving for the event with his sister, Rachel Antonoff.
Cite this Entry
“Momentous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/momentous. Accessed 4 Jul. 2026.
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