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 There’s an ominous final shot of Kayleigh, the Rat who assaulted Ciri in the previous episode, looking at a scroll that promises a fat bounty for her capture. Scott Meslow, Vulture, 30 Oct. 2025 The day seemed over hung by an unnatural darkness, as if some thing large and ominous was hovering over head. Joel M. Vance, Outdoor Life, 29 Oct. 2025 Kidd opted to play Russell sparingly off the bench in his first two regular season contests after an ominous preseason run, starting 6-foot-10 rookie forward Cooper Flagg at the point instead. Alex Kirschenbaum, MSNBC Newsweek, 29 Oct. 2025 Though conventional in its concept (family moves into house, spirits possess family, paranormal investigators exorcize spirits), the movie's significance comes from its execution, which electrified audiences with ominous clapping hands and expert control of tension. Michael Lee Simpson, Entertainment Weekly, 29 Oct. 2025 See All Example Sentences for ominous
Recent Examples of Synonyms for ominous
Adjective
  • But as old tensions flare between them, Katie begins to experience terrifying visions and a ghostly presence warning of something sinister lurking aboard.
    Zac Ntim, Deadline, 6 Nov. 2025
  • Which casts a show seemingly designed to bypass all judgments with respect to storytelling and taste, gliding straight to the pleasure center of some imaginary horny, enraged, shopaholic feminine id, in a fairly sinister light.
    Judy Berman, Time, 5 Nov. 2025
Adjective
  • If the sky becomes menacing and thunder becomes audible, seek out a safe place to seek shelter.
    NC Weather Bot, Charlotte Observer, 10 Nov. 2025
  • The film ends with Dek standing alongside Thia and Bud, his new clan, as a large, menacing Yautja ship appears on the horizon.
    Adam B. Vary, Variety, 10 Nov. 2025
Adjective
  • When everything looks bleak, a woman holds it up victoriously.
    Kieran Press-Reynolds, Pitchfork, 6 Nov. 2025
  • New York — US stocks closed lower Thursday as concerns mounted about expensive tech stocks, and a risk-off sentiment spread through markets after new data showed a bleak outlook for the job market.
    John Towfighi, CNN Money, 6 Nov. 2025

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Cite this Entry

“Ominous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ominous. Accessed 16 Nov. 2025.

More from Merriam-Webster on ominous

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