1
as in volatile
likely to change frequently, suddenly, or unexpectedly
the stifling heat would occasionally be relieved by an uncertain breeze
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in unsure
not feeling sure about the truth, wisdom, or trustworthiness of someone or something
never uncertain of her political beliefs or judgment, she was a decisive and fearless leader
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of uncertain
But when an unexpected murder occurs, Eric gets framed — leaving Rose and her family’s future perilously uncertain.
—
Anthony D'alessandro, Deadline, 31 Oct. 2025
Panda, the Carnegie Endowment expert, said that South Korea likely sees value in nuclear latency due to an increasingly uncertain relationship with the United States.
—Davis Winkie, USA Today, 30 Oct. 2025
Officials say Melissa has killed at least 30 people — though the actual toll is uncertain as authorities continue assessing the damage.
—Alexandra Banner, CNN Money, 30 Oct. 2025
Business has been excruciatingly slow, a situation made worse by the government shutdown as workers reliant on steady paychecks grow increasingly uncertain about their future.
—Colleen Hamilton, Them., 30 Oct. 2025
See All Example Sentences for uncertain
Anthony D'alessandro, Deadline, 31 Oct. 2025
Panda, the Carnegie Endowment expert, said that South Korea likely sees value in nuclear latency due to an increasingly uncertain relationship with the United States.
—Davis Winkie, USA Today, 30 Oct. 2025
Officials say Melissa has killed at least 30 people — though the actual toll is uncertain as authorities continue assessing the damage.
—Alexandra Banner, CNN Money, 30 Oct. 2025
Business has been excruciatingly slow, a situation made worse by the government shutdown as workers reliant on steady paychecks grow increasingly uncertain about their future.
—Colleen Hamilton, Them., 30 Oct. 2025
See All Example Sentences for uncertain
Recent Examples of Synonyms for uncertain
Adjective
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First, the electrodes and electrolytes are adjusted to handle high temperatures, specifically replacing the volatile liquid electrolyte used in traditional Li batteries.—
Mrigakshi Dixit,
Interesting Engineering,
5 Nov. 2025
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Taking the long view Many finance leaders remain cautious, viewing bitcoin as too volatile—especially recently—compared to traditional assets.—
Sheryl Estrada,
Fortune,
4 Nov. 2025
Adjective
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While many restaurant chains have suffered in recent years as diners wracked by inflation eat out less, analysts were unsure if the chain's value perception contributed to Chipotle's issues.—
Amelia Lucas,
CNBC,
30 Oct. 2025
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At 25, when half her friends ran off to marry well and the other half were hell-bent on climbing the corporate ladder, Bizu found herself in the middle, unsure whether to pursue a boyfriend or a business plan.—
Kimberly Wilson,
Essence,
28 Oct. 2025
Adjective
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With unpredictable twists and emotions running high, this Halloween is especially chaotic, and Mutable signs — Gemini, Virgo, Sagittarius and Pisces — can't imagine what's in store.—
Valerie Mesa,
PEOPLE,
31 Oct. 2025
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Predicting something that has becoming increasingly unpredictable is an impossible task, but here’s a look at how the shutdown could ripple through critical avenues of everyday life.—
Alicia Wallace,
CNN Money,
31 Oct. 2025
Adjective
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Frontrunner Zohran Mamdani must convince Black voters skeptical of ambitious campaign promises, including free buses, free universal childcare and a rent freeze on 1 million apartments.—
Eduardo Cuevas,
USA Today,
3 Nov. 2025
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But Feinberg is also intensely skeptical of some of the startups’ promises.—
Ben Smith,
semafor.com,
3 Nov. 2025
Adjective
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Rigorous, blustery winter; winding sleety spring; hot, moist enervating summer; changeful autumn with its dog-days; these are absolutely unknown.—
San Diego Union-Tribune,
San Diego Union-Tribune,
1 Jan. 2023
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Hers is the kind of face that inspires directors to tight framing — gleaming, as if smoothed from marble, and yet somehow pliant, changeful.—
Jordan Kisner Jack Davison,
New York Times,
11 Oct. 2022
Adjective
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Once Pearl knows that Dale was suspicious of Betty Jo, the damage to their relationship is done.—
Amanda Whiting,
Vulture,
5 Nov. 2025
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The scouting trips were particularly suspicious to investigators because none of the suspects are over 21 years old, ruling out legitimate visits to bars or clubs.—
Michael Ruiz,
FOXNews.com,
4 Nov. 2025
Adjective
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Tailless designs are inherently unstable, and thrust vectoring can maximize performance across the flight envelope, including at high altitudes, the report noted.—
Bojan Stojkovski,
Interesting Engineering,
2 Nov. 2025
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New refugees continue to arrive every day as conditions in South Sudan remain unstable.—
Fatma Tanis,
NPR,
2 Nov. 2025
Adjective
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This is all so inconsistent and bizarre.—
Pete Grathoff,
Kansas City Star,
3 Nov. 2025
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The punt unit has been inconsistent at best, and the return units are costing Michigan field position every week.—
Austin Meek,
New York Times,
2 Nov. 2025
Cite this Entry
“Uncertain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/uncertain. Accessed 6 Nov. 2025.
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