MOMENTOUS Synonyms: 74 Similar and Opposite Words

momentous

adjective

mō-ˈmen-təs

Definition of momentous

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 filmmakers claim that the doc amounts to the most momentous shake-up of the billion-dollar Bigfoot industry to hit the big screen since Patterson himself toured the nation with his proof of Patty. — Jim Hemphill, IndieWire, 10 Sep. 2026 What to the other parties was merely the sale of a ship was to him a momentous event involving a radically new view of existence. — Literary Hub, 26 Aug. 2026 The trivial and the momentous can be connected; small deviations can set us on larger paths. — Joshua Rothman, New Yorker, 21 Aug. 2026 Prior to the momentous occasion, a source told PEOPLE that Charles was hoping his younger son would attend, despite their strained relationship. — Caroline Blair, PEOPLE, 21 Aug. 2026 See All Example Sentences for momentous

Recent Examples of Synonyms for momentous

Adjective

That led to the Sox leading the majors in relief innings this season and being on a pace to finish with 764 innings, which would rank third in major-league history.

— Paul Sullivan, Chicago Tribune, 19 Sep. 2026
In a surprise move, and major upset for competitor Nike, On has inked a deal with Real Madrid forward Kylian Mbappé to be the face of its new football category.

— Stephen Garner, Footwear News, 18 Sep. 2026

Definition of major

Adjective

Yet he was accused of failing to do his work as recently as November, detained in a neighboring village over rainfall that disrupted an important ceremony.

— Arkansas Online, Arkansas Online, 20 Sep. 2026
Maybe the most important thing Jon Sumrall did Saturday night wasn’t beating Auburn.

— Mike Bianchi, The Orlando Sentinel, 20 Sep. 2026

Definition of important

Adjective

Trump biopic The Apprentice was avoided by the major studios and then faced significant challenges before release.

— Andreas Wiseman, Deadline, 18 Sep. 2026
Coroner’s records list Isaiah’s cause of death as a bacterial infection resulting from pneumonia, but other significant factors included blunt force trauma injuries and the impacts of long-term restraint.

— Rebecca Ellis, Los Angeles Times, 18 Sep. 2026

Definition of significant

Adjective

Their journey to rural Massachusetts to confront a family curse evokes the danger of historic ‘sundown towns,’ where Black travelers were not permitted to be outside past sunset.

— Literary Hub, Literary Hub, 17 Sep. 2026
On the third weekend of every month, re-enactors make the Fort’s history come alive with historic demonstrations.

— Condé Nast, Condé Nast Traveler, 17 Sep. 2026