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
Relevance
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
However, his long-term future as the Browns’ quarterback remains uncertain.
—
Cole Sullivan, MSNBC Newsweek, 25 Oct. 2025
There is a chance for drier weather later in the week, but the forecast remains uncertain as additional small weather disturbances could still bring rain.
—Kansas City Star, 24 Oct. 2025
Presented with an uncertain future, other longtime staff members took buyouts.
—Katie Thornton, New Yorker, 24 Oct. 2025
Cuban oregano or Mexican mint (Plectranthus amboinicus) are misleading names for this distinctive herb since its habitat, although uncertain, is either East Africa or India.
—Joshua Siskin, Oc Register, 24 Oct. 2025
See All Example Sentences for uncertain
Cole Sullivan, MSNBC Newsweek, 25 Oct. 2025
There is a chance for drier weather later in the week, but the forecast remains uncertain as additional small weather disturbances could still bring rain.
—Kansas City Star, 24 Oct. 2025
Presented with an uncertain future, other longtime staff members took buyouts.
—Katie Thornton, New Yorker, 24 Oct. 2025
Cuban oregano or Mexican mint (Plectranthus amboinicus) are misleading names for this distinctive herb since its habitat, although uncertain, is either East Africa or India.
—Joshua Siskin, Oc Register, 24 Oct. 2025
See All Example Sentences for uncertain
Recent Examples of Synonyms for uncertain
Adjective
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With a roster that includes Margot Robbie, Miles Teller and Brooke Shields, Ullman says tariff anxiety shoehorned into an already volatile market and tense political climate has pushed clients to be far more conservative.—
Trey Williams,
HollywoodReporter,
22 Oct. 2025
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Gold has seen historic gains in 2025, its more-than-50% surge surpassing previous volatile periods such as after the September 11 attacks, the 2008 financial crisis or even the Covid-19 pandemic.—
John Liu,
CNN Money,
22 Oct. 2025
Adjective
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People hesitated, unsure of how to play with something new without looking foolish.—
Cas Holman,
CNBC,
21 Oct. 2025
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As groceries get more expensive and Americans remain unsure about their economic future, shoppers are gravitating toward a tried-and-true budget meal.—
Andrea Margolis,
FOXNews.com,
21 Oct. 2025
Adjective
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His characters were often brutally unpredictable.—
Joy Williams,
Harpers Magazine,
24 Oct. 2025
-
New York can be very unpredictable and has been this season.—
James Brizuela,
MSNBC Newsweek,
24 Oct. 2025
Adjective
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Without the guardrails and protections provided by traditional banks, who are beholden to regulators and the federal government, disaster can ensue, according to Milgram, who has long been skeptical of the private credit market.—
Emma Burleigh,
Fortune,
20 Oct. 2025
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Jeremy Davies also returns as their father, Terrence, at first skeptical as all parents are in these things but then finding his own emotional hook to give dad some real human emotion as the mystery deepens regarding his wife’s death.—
Pete Hammond,
Deadline,
17 Oct. 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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Throw away anything that looks suspicious.—
Madison E. Goldberg,
PEOPLE,
21 Oct. 2025
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Journalists tend to be the type of people who run toward suspicious scenes.—
Joan Meiners,
AZCentral.com,
20 Oct. 2025
Adjective
-
In a process called marine ice cliff instability (MICI), cliffs taller than 90 meters at the edges of glaciers become unstable and collapse, exposing ever-thicker ice in a chain reaction that accelerates retreat.—
Evan Howell,
Quanta Magazine,
20 Oct. 2025
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However, if the pressure, density, or current is too high, the plasma can become unstable.—
Chris Young,
Interesting Engineering,
20 Oct. 2025
Adjective
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An inconsistent day for Beau Pribula The final result was a win, and that is important for this Missouri team.—
Maddie Hartley,
Kansas City Star,
19 Oct. 2025
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Diagnosis and care are often late, inconsistent, or inaccessible.—
Emma Burleigh,
Fortune,
18 Oct. 2025
Cite this Entry
“Uncertain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/uncertain. Accessed 27 Oct. 2025.
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