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
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Example Sentences
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Recent Examples of uncertain
But the future of its weathered walls is now uncertain—not because of threats from invaders or shifting empires, but because of the sudden suspension of restoration funds.
—
Smithsonian Magazine, 12 June 2025
But supply is limited, distribution is deeply inequitable, and the vaccines themselves present challenges—from limited clinical data and uncertain duration of protection to storage requirements—that make large-scale campaigns far from straightforward.
—Pardis Sabeti, Time, 11 June 2025
Former Watford manager Vladimir Ivic leads them to America, but with expectations uncertain.
—Tim Spiers, New York Times, 11 June 2025
Nearly all economists expect Trump’s duties will make many things more expensive in the second half of this year, including cars and groceries, though by how much is still uncertain.
—Christopher Rugaber, Chicago Tribune, 11 June 2025
See All Example Sentences for uncertain
Smithsonian Magazine, 12 June 2025
But supply is limited, distribution is deeply inequitable, and the vaccines themselves present challenges—from limited clinical data and uncertain duration of protection to storage requirements—that make large-scale campaigns far from straightforward.
—Pardis Sabeti, Time, 11 June 2025
Former Watford manager Vladimir Ivic leads them to America, but with expectations uncertain.
—Tim Spiers, New York Times, 11 June 2025
Nearly all economists expect Trump’s duties will make many things more expensive in the second half of this year, including cars and groceries, though by how much is still uncertain.
—Christopher Rugaber, Chicago Tribune, 11 June 2025
See All Example Sentences for uncertain
Recent Examples of Synonyms for uncertain
Adjective
-
Rising prices, fomenting trade wars, and uncertainty about when tariffs will go into effect has led to a volatile economic climate.—
Boone Ashworth,
Wired News,
4 June 2025
-
Shortly after, Mars will square Uranus on June 15, creating a volatile energy between your desire for personal freedom and autonomy, versus unpredictable events that shake up your day-to-day routines and sense of stability.—
Valerie Mesa,
People.com,
4 June 2025
Adjective
-
When Ginny & Georgia’s Brianne Howey entered the courtroom set for Season 3, she was tasked with playing a new version of her usually confident and cunning character– one that was now afraid, powerless, and exceedingly unsure of herself.—
Jennifer Adams,
StyleCaster,
5 June 2025
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Fewer than half of U.S. businesses report having a formal crisis communication plan, and 23% either don’t have one or are unsure if a plan exists.—
Nicole Tidei,
Forbes.com,
5 June 2025
Adjective
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Entrepreneurs who want to survive must meet our current reality by staying as flexible as the market is unpredictable.—
Cynthia Pong,
Forbes.com,
8 June 2025
-
Love can get a little wild and unpredictable this month.—
Valerie Mesa,
People.com,
6 June 2025
Adjective
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When Miramar native Evans St. Fort opened St. Fort’s Funeral Home in North Miami Beach in 2003, clients were skeptical of a funeral director still in his 20s.—
Raisa Habersham,
Miami Herald,
12 June 2025
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In underbanked markets—particularly those plagued by high rates of online fraud—newer fintechs must work hard to win the trust of customers who might be skeptical about using digital services.—
Murtaza Ali,
Forbes.com,
10 June 2025
Adjective
-
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
-
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
Adjective
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The agencies urged the public to remain vigilant and report any threats of violence or suspicious activity to law enforcement.—
Jeremy Harlan,
CNN Money,
6 June 2025
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This allows radiologists to see blood flow to areas of the breast—highlighting suspicious areas that might otherwise be hidden by dense tissue.—
Lauryn Higgins,
Flow Space,
6 June 2025
Adjective
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Because the Sun’s magnetic field is especially unstable and dynamic near the solar poles, particularly the south pole, a good, hard look can pay dividends that will protect us here on Earth.—
David Szondy
June 15,
New Atlas,
15 June 2025
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The lawsuit alleges Saffold was unstable during the procedure, and the anesthesiologist and nurse failed to give him proper medical intervention to save his life.—
PJ Green,
Kansas City Star,
14 June 2025
Adjective
-
The Royals’ offense has been inconsistent this season.—
Jaylon Thompson,
Kansas City Star,
8 June 2025
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Without clear boundaries, AI agents may act in ways that are inconsistent with business rules, brand voice or regulatory requirements.—
Alan Ranger,
Forbes.com,
6 June 2025
Cite this Entry
“Uncertain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/uncertain. Accessed 18 Jun. 2025.
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