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
Hamilton’s nomination would come at a crucial time for FEMA and as its future remains uncertain.
—
ABC News, 16 Apr. 2026
There has been speculation about Katz stepping down since Alex Mahon quit as CEO last summer, with the content chief himself admitting that his future was uncertain.
—Jake Kanter, Deadline, 16 Apr. 2026
Powell now enters an uncertain offseason, facing the possibility of entering free agency unless the Heat signs him to an extension in the coming months.
—Anthony Chiang, Miami Herald, 16 Apr. 2026
Something could feel uncertain or misleading.
—Valerie Mesa, PEOPLE, 16 Apr. 2026
See All Example Sentences for uncertain
ABC News, 16 Apr. 2026
There has been speculation about Katz stepping down since Alex Mahon quit as CEO last summer, with the content chief himself admitting that his future was uncertain.
—Jake Kanter, Deadline, 16 Apr. 2026
Powell now enters an uncertain offseason, facing the possibility of entering free agency unless the Heat signs him to an extension in the coming months.
—Anthony Chiang, Miami Herald, 16 Apr. 2026
Something could feel uncertain or misleading.
—Valerie Mesa, PEOPLE, 16 Apr. 2026
See All Example Sentences for uncertain
Recent Examples of Synonyms for uncertain
Adjective
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It's been an eventful first month on the job for Pat Lyons, the new athletic director at the University of Rhode Island, who takes the reins in Kingston during a volatile time in college sports, with the billions of dollars available in media rights turning the NCAA into a conduit for big business.—
Kathleen Hill,
The Providence Journal,
11 Apr. 2026
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Flying is the company’s second Nova-C lander named Athena featuring NASA’s PRIME-1 drill, to land a drill and mass spectrometer near the south pole of the moon in order to demonstrate the feasibility of in-situ resource utilization (ISRU) and measure the volatile content of subsurface samples.—
Richard Tribou,
The Orlando Sentinel,
11 Apr. 2026
Adjective
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Mamdani's approval rating A Marist Poll published Wednesday revealed 48% of NYC residents think Mayor Mamdani is doing a good job so far, 30% disapprove of his performance, while 23% are unsure how to rate him.—
Christina Fan,
CBS News,
10 Apr. 2026
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In Mexico the loss of territory discredited the country’s conservative government and left many of its citizens unsure of their country’s future as an independent state.—
Encyclopedia Britannica,
Encyclopedia Britannica,
10 Apr. 2026
Adjective
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But home equity loan rates are fixed, which is an advantageous feature in today's economy, in which interest rate movements are unpredictable.—
Matt Richardson,
CBS News,
14 Apr. 2026
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Social occasions might be unpredictable with cancellations or surprise invitations.—
Georgia Nicols,
Denver Post,
14 Apr. 2026
Adjective
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Scheiber is skeptical of forecasts projecting mass white-collar displacement in 18 months.—
Nick Lichtenberg,
Fortune,
10 Apr. 2026
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Putin announced a temporary Easter ceasefire, but Ukraine remains skeptical after previous attempts to broker lasting truces have repeatedly failed with both sides trading accusations.—
Volodymyr Yurchuk,
Los Angeles Times,
10 Apr. 2026
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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Finding the behavior suspicious, police said the officers activated their overhead lights and attempted to initiate a traffic stop.—
Stephen Underwood,
Hartford Courant,
11 Apr. 2026
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Never click on suspicious links Some scams prompt you to click on a link that takes you to a fake website to gather your personal information or unintentionally download malware onto your computer.—
Jasmin Suknanan,
CNBC,
10 Apr. 2026
Adjective
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Thompson said the seven-story parking garage is unstable, and the search for the two missing workers will take time.—
Tom Dougherty,
CBS News,
9 Apr. 2026
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In contrast, this novel method depends on the path a quantum system takes rather than on unstable external factors.—
Georgina Jedikovska,
Interesting Engineering,
9 Apr. 2026
Adjective
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In addition to reinforcing the fiduciary standards that are already in place for community associations, this will help to establish stronger grounds for claims involving unilateral acts by directors, inadequate reserve planning, inconsistent rules enforcement, or failures in management oversight.—
Evonne Andris,
Miami Herald,
9 Apr. 2026
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Maybe—but the effects are likely to be modest and inconsistent.—
Patricia Weiser,
Verywell Health,
9 Apr. 2026
Cite this Entry
“Uncertain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/uncertain. Accessed 18 Apr. 2026.
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