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momentous

[ moh-men-tuhs ]

/ moʊˈmɛn təs /

SEE SYNONYMS FOR momentous ON THESAURUS.COM

adjective

of great or far-reaching importance or consequence: a momentous day.

Origin of momentous

First recorded in 1645–55; moment + -ous

SYNONYMS FOR momentous

vital, critical, crucial, serious. See heavy.

SEE SYNONYMS FOR momentous ON THESAURUS.COM

ANTONYMS FOR momentous

trivial, trifling.

SEE ANTONYMS FOR momentous ON THESAURUS.COM

OTHER WORDS FROM momentous

mo·men·tous·ly, adverb mo·men·tous·ness, noun un·mo·men·tous, adjective un·mo·men·tous·ly, adverb

un·mo·men·tous·ness, noun

Words nearby momentous

moment of truth, momentarily, momentary, momently, momento, momentous, momentum, momism, momma, momme, mommsen

Example sentences from the Web for momentous

He returned when she took on the Abner Louima case, which was as momentous in 1999 as the Michael Brown case in Ferguson is now.

For Next AG, Obama Picks a Quiet Fighter With a Heavy Punch |Michael Daly |November 8, 2014 |DAILY BEAST
It was, of course, a momentous book, in our memory and in its own time.

Charles Barkley Is Right on ‘Acting White’ |Ron Christie |October 29, 2014 |DAILY BEAST
Thirty years ago this week, Ronald Reagan made perhaps the most momentous decision of his presidency.

An Investigation Into the Delicious Origins of Ice Cream |Andrew Romano |July 13, 2014 |DAILY BEAST
Yet a screaming headline on the Drudge Report—SHARPTON WAS FBI MOB RAT—was hardly an auspicious way to begin a momentous week.

Al Sharpton: I’m No Snitch |Lloyd Grove |April 8, 2014 |DAILY BEAST

It seems amazing that in 2014 that this should be so momentous.

Norm Lewis, Broadway’s First Black ‘Phantom,’ on Racism, Heroes, and Dream Roles |Tim Teeman |March 21, 2014 |DAILY BEAST
So momentous was the call that Jim Cleve seemed to forget Joan, and she let him go without a word.

The Border Legion |Zane Grey
Just what the infantry officers should do was a momentous question.

The Deserter |Charles King
Then immediately followed, as already narrated, the Lewis and Clark expedition with its momentous results.

Lyman's History of old Walla Walla County, Vol. 1 (of 2) |William Denison Lyman
And it was not at all surprising that such was the case, for it was a most momentous era in our history.

Life Gleanings |T. J. Macon
A minute ago they had been occupied in trivial chatter; now they were launched on the momentous topic.

The Whirligig of Time |Wayland Wells Williams

British Dictionary definitions for momentous

momentous

/ (məʊˈmɛntəs) /

adjective

of great significance

Derived forms of momentous

momentously, adverb momentousness, noun