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
But something even more momentous happened that year — for the first time, Netflix reported a loss in subscribers.
—
Jennifer Silverman, Rolling Stone, 7 Apr. 2026
Friday was supposed to mark the end of a momentous week in Nancy Metayar Bowen’s political career.
—Angie Dimichele, Sun Sentinel, 4 Apr. 2026
This major Jewish holiday celebrates the most momentous event in Jewish history -- the liberation of the Jewish people from slavery in Egypt.
—Jeanne Phillips, Dallas Morning News, 1 Apr. 2026
It’s all staged with hyper-realistic lighting and enough jump-cuts to suggest that something momentous is going on.
—Owen Gleiberman, Variety, 31 Mar. 2026
See All Example Sentences for momentous
Jennifer Silverman, Rolling Stone, 7 Apr. 2026
Friday was supposed to mark the end of a momentous week in Nancy Metayar Bowen’s political career.
—Angie Dimichele, Sun Sentinel, 4 Apr. 2026
This major Jewish holiday celebrates the most momentous event in Jewish history -- the liberation of the Jewish people from slavery in Egypt.
—Jeanne Phillips, Dallas Morning News, 1 Apr. 2026
It’s all staged with hyper-realistic lighting and enough jump-cuts to suggest that something momentous is going on.
—Owen Gleiberman, Variety, 31 Mar. 2026
See All Example Sentences for momentous
Recent Examples of Synonyms for momentous
Adjective
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Russia's Rosatom is building Egypt’s first reactor and has cooperation agreements with Ethiopia, Burkina Faso, Ghana, Tanzania and Niger, spanning major projects, research centers, uranium processing facilities and training programs.—
ABC News,
ABC News,
17 Apr. 2026
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Last winter, the college had its first major fight with people who were suspicious of its motives.—
Emma Green,
New Yorker,
17 Apr. 2026
Adjective
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Other important ceremonial garments are also on display, including the Queen’s wedding dress, from 1947, another Hartnell creation that incorporated not just the white rose of the House of York but also featured orange blossoms, a symbol of fertility.—
Rebecca Mead,
New Yorker,
17 Apr. 2026
-
My co-driver is super important.—
Morgan Korn,
ABC News,
17 Apr. 2026
Adjective
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However, significant barriers to entry remain, with access to both club and international matches highly limited.—
Jacob Whitehead,
New York Times,
21 Apr. 2026
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The revision goes into effect just days after one of the most significant recent rulings in the restitution space.—
Jackie Hajdenberg,
Sun Sentinel,
20 Apr. 2026
Adjective
-
Pakistan’s Foreign Minister Ishaq Dar called on Iran and the United States to keep their commitment to maintain a ceasefire, after both countries ended historic face-to-face talks without an agreement.—
ABC News,
ABC News,
12 Apr. 2026
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The astronauts snapped thousands of photos during their historic pass around the moon, shot video and recorded their personal observations to give researchers insights based on the color sensitivity of the human eye.—
William Harwood,
CBS News,
12 Apr. 2026
Adjective
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With the Moon meeting Jupiter in your 9th House, big ideas around travel, learning, or growth feel expansive and worth pursuing.—
Tarot.com,
New York Daily News,
22 Apr. 2026
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Two of the Cubs’ biggest power threats in the middle of the lineup came into Tuesday’s game against the Philadelphia Phillies searching for something to build upon.—
Meghan Montemurro,
Chicago Tribune,
22 Apr. 2026
Cite this Entry
“Momentous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/momentous. Accessed 23 Apr. 2026.
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