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
The agency claims that quantifying health benefits is too uncertain.
—
Andrew Behar, Fortune, 1 Apr. 2026
For months, Prazeres and the production company discussed using his images for a sequence earlier in the movie, but as the producers' creative vision shifted, things began to look uncertain.
—Anthony Wood, Space.com, 1 Apr. 2026
The move leaves the future of the historic Pan Am building on Dinner Key uncertain.
—Tess Riski, Miami Herald, 1 Apr. 2026
Explanations should clarify what is known, what is uncertain, and what may change.
—Charles J. Lockwood, STAT, 31 Mar. 2026
See All Example Sentences for uncertain
Andrew Behar, Fortune, 1 Apr. 2026
For months, Prazeres and the production company discussed using his images for a sequence earlier in the movie, but as the producers' creative vision shifted, things began to look uncertain.
—Anthony Wood, Space.com, 1 Apr. 2026
The move leaves the future of the historic Pan Am building on Dinner Key uncertain.
—Tess Riski, Miami Herald, 1 Apr. 2026
Explanations should clarify what is known, what is uncertain, and what may change.
—Charles J. Lockwood, STAT, 31 Mar. 2026
See All Example Sentences for uncertain
Recent Examples of Synonyms for uncertain
Adjective
-
The comparison isn't perfect — stock data spans decades, while trends in trading card values are shorter and more volatile — but the outperformance in certain windows is still striking.—
Brandon Gomez,
CNBC,
29 Mar. 2026
-
These volatile, double-digit voting shifts directly contrast more stable voting patterns among other major demographic groups, including the Black and white electorates, where shifts from cycle to cycle tend to be just a few points.—
Los Angeles Times,
Los Angeles Times,
29 Mar. 2026
Adjective
-
Louise had always felt unsure of how to interact with the eldest daughter.—
Catherine Lacey,
New Yorker,
5 Apr. 2026
-
Kelly Wachel, the district’s chief communications officer, told The Star that Park Hill is unsure what a second, broader limit to property tax revenue could mean for their schools if approved by voters.—
Jenna Ebbers,
Kansas City Star,
4 Apr. 2026
Adjective
-
Prices are subject to rapid, unpredictable changes due to factors like, but not limited to, supply/demand, weather, and geopolitical events.—
USA TODAY,
USA Today,
31 Mar. 2026
-
Air travelers are paying the price of the shutdown with unpredictable, snaking TSA lines at airports across the country, jeopardizing their chances to pass through security on time for their flights.—
Graham Hurley,
CNN Money,
31 Mar. 2026
Adjective
-
Still, some residents remain skeptical.—
Ivan Taylor,
CBS News,
4 Apr. 2026
-
Some fiscal experts were skeptical of both measures.—
Michael Smolens,
San Diego Union-Tribune,
3 Apr. 2026
Adjective
-
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
-
But the coroner did not screen Harold's blood for poisons at the time because his death was not suspicious.—
Peter Van Sant,
CBS News,
5 Apr. 2026
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Installing strong antivirus software on your devices can also help block malicious links, detect suspicious downloads and warn you about dangerous websites.—
Kurt Knutsson,
FOXNews.com,
3 Apr. 2026
Adjective
-
Geopolitically, the world seems to be getting more unstable.—
The Editorial Board,
Chicago Tribune,
3 Apr. 2026
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How geopolitical risk remains a wildcard Gold has long been considered a safe-haven investment to turn to when the world feels unstable, but recent months have shown that relationship isn't always so simple.—
Angelica Leicht,
CBS News,
3 Apr. 2026
Adjective
-
The veteran forward spent the previous 3 1/2 seasons with the Ducks, but struggled to produce during inconsistent playing time from Quenneville before his departure at the deadline.—
CBS News,
CBS News,
5 Apr. 2026
-
After an inconsistent season as a pitcher last spring, Gluting is ready to break out in that aspect of the game as well.—
Paul Johnson,
Chicago Tribune,
4 Apr. 2026
Cite this Entry
“Uncertain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/uncertain. Accessed 5 Apr. 2026.
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