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Synonym Chooser

How does the adjective portentous differ from other similar words?

The words fateful and ominous are common synonyms of portentous. While all three words mean "having a menacing or threatening aspect," portentous suggests being frighteningly big or impressive but now seldom definitely connotes forewarning of calamity.

an eerie and portentous stillness

When is it sensible to use fateful instead of portentous?

In some situations, the words fateful and portentous are roughly equivalent. However, fateful suggests being of momentous or decisive importance.

the fateful conference that led to war

When can ominous be used instead of portentous?

The words ominous and portentous are synonyms, but do differ in nuance. Specifically, ominous implies having a menacing, alarming character foreshadowing evil or disaster.

ominous rumblings from the volcano

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of portentous This game would have been twice as portentous if Davis had been healthy, but the 10-time All-Star who teamed up with James to lead the Lakers to the 2020 championship is out at least two more weeks with a groin injury sustained in his Mavs debut. Greg Beacham, Chicago Tribune, 26 Feb. 2025 After the game, Dončić warmly greeted his former teammates but also took a few portentous looks at the Mavericks bench during the night. Ross Rosenfeld, Newsweek, 26 Feb. 2025 With its whisper-thin characters, vague narrative, and acres of portentous poetry about sound, Rabbit Trap feels somehow both underwritten and overwritten. Bilge Ebiri, Vulture, 25 Jan. 2025 Advertisement Starting with his film-school projects in the early 1970s, David Cronenberg hit the ground running with projects that tucked sharp social critiques into ominously portentous narratives. Marc Weingarten, Los Angeles Times, 24 Dec. 2024 See All Example Sentences for portentous
Recent Examples of Synonyms for portentous
Adjective
  • If the sky turns ominous and thunder can be heard, find a secure place for shelter.
    NC Weather Bot, Charlotte Observer, 11 July 2025
  • The signs in Iran are ominous—and the pleas from Iranian Jewish elders may now go unheard.
    Roya Hakakian, The Atlantic, 10 July 2025
Adjective
  • Before long, his life is plagued by a series of mysterious, sinister incidents that threaten to upend his success and bring about a most violent demise.
    Ryan Lattanzio, IndieWire, 1 July 2025
  • He’s then forced to compete in a sinister game of hide-and-seek, where even more players are eliminated.
    Monica Mercuri, Forbes.com, 28 June 2025
Adjective
  • This no-churn ice cream recipe extracts all the wonderful flavor from the corn by simmering both the kernels and cobs in whipping cream and sweetened condensed milk to make sure every bite is filled with corn flavor.
    Kimberly Holland, Southern Living, 14 July 2025
  • So many wonderful age gap and power dynamics going on in this novel that really set the tone for a whole generation of writers to come.
    Hattie Williams July 14, Literary Hub, 14 July 2025
Adjective
  • If the sky becomes menacing and thunder becomes audible, seek out a safe place to seek shelter.
    NC Weather Bot, Charlotte Observer, 1 July 2025
  • The real version of Dave is equal parts pitiful and menacing, seductive and unable to fully pass himself as a normal person.
    Alison Herman, Variety, 28 June 2025
Adjective
  • In fact, her record is astonishing as a manager at the Euros with 12 wins from 12 matches.
    Darren Richman, New York Times, 5 July 2025
  • Not that the platform seems to be an astonishing source of income for most authors.
    Emma Alpern, Vulture, 2 July 2025
Adjective
  • The fact that any programming – sports or not – can cut through that clutter and reach 10 million or more households is frankly miraculous at this point.
    John Cassillo, Forbes.com, 9 July 2025
  • And then there’s The Big Piece, a feat of recovery that feels miraculous for entirely different reasons.
    Jordan Runtagh, People.com, 6 July 2025
Adjective
  • Apple’s iOS 26 is coming this fall, along with some amazing new features for your iPhone, many of which are powered by Apple Intelligence AI — alongside a new design language dubbed Liquid Glass.
    Kate O'Flaherty, Forbes.com, 14 July 2025
  • The shoes have amazing cushioning that provides serious support, which was ideal for long walks in Athens.
    Alexis Benveniste, Travel + Leisure, 14 July 2025
Adjective
  • South Carolina: The most surprising collection of players who could become the best in the country.
    Alex Kirshner, New York Times, 12 July 2025
  • Most stories have a surprising amount of drama before finding the right approach.
    Toni Fitzgerald, Forbes.com, 12 July 2025

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Cite this Entry

“Portentous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/portentous. Accessed 19 Jul. 2025.

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