Synonym Chooser

How does the adjective ominous differ from other similar words?

The words fateful and portentous are common synonyms of ominous. While all three words mean "having a menacing or threatening aspect," ominous implies having a menacing, alarming character foreshadowing evil or disaster.

ominous rumblings from the volcano

Where would fateful be a reasonable alternative to ominous?

The words fateful and ominous can be used in similar contexts, but fateful suggests being of momentous or decisive importance.

the fateful conference that led to war

When can portentous be used instead of ominous?

Although the words portentous and ominous have much in common, portentous suggests being frighteningly big or impressive but now seldom definitely connotes forewarning of calamity.

an eerie and portentous stillness

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 ominous The tightly wound tension is maintained also by Volker Bertelmann’s propulsive score, which starts with ominous juddering groans and keeps shapeshifting throughout. David Rooney, HollywoodReporter, 2 Sep. 2025 Last week, the legendary NBC sketch show finally made good on creator Lorne Michaels' ominous promise of big changes coming to SNL ahead of season 51, as several cast and crew members shared bittersweet posts announcing their exits. Shania Russell, EW.com, 31 Aug. 2025 On Friday, with the second Chapter 11 filing, that financial disclosure seems even more ominous. Miami Herald, 30 Aug. 2025 Storm clouds that settled in over The Star in Frisco on Thursday night gave for an ominous feeling walking into the first Dallas Cowboys press conference since the shocking trade of Micah Parsons earlier in the day. Nick Harris, Fort Worth Star-Telegram, 29 Aug. 2025 See All Example Sentences for ominous
Recent Examples of Synonyms for ominous
Adjective
  • Normally, that would be a recipe for some edge-of-your-seat action, although Ben Hopkins’ script makes clear early on that the bomb is just a distraction, while an even more sinister plot is ticking within the blast radius.
    Peter Debruge, Variety, 6 Sep. 2025
  • However, when Jess senses something sinister and then mysteriously disappears, Frida must uncover the truth before meeting the same fate.
    Catherine Santino, PEOPLE, 6 Sep. 2025
Adjective
  • The bow-sided square manages to harness its own racing legacy, Steve McQueen et al, while still appearing contemporary in its slightly menacing dark suit.
    Thor Svaboe, Robb Report, 9 Sep. 2025
  • If the sky becomes menacing and thunder becomes audible, seek out a safe place to seek shelter.
    CA Weather Bot, Sacbee.com, 7 Sep. 2025
Adjective
  • Matters only got more bleak in the sixth, when Rushing fouled a ball off his right shin, smoking a ball right above where his guard ended and immediately going down in pain.
    Fabian Ardaya, New York Times, 6 Sep. 2025
  • The one constant is the unhappy couple’s bleak surroundings.
    Adam Solomons, IndieWire, 5 Sep. 2025

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Cite this Entry

“Ominous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ominous. Accessed 10 Sep. 2025.

More from Merriam-Webster on ominous

Last Updated: - Updated example sentences
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