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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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,
19 Apr. 2026
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The story centers on a young couple (Charles Melton and Cailee Spaeny) whose lives become entangled with their volatile boss and his wife (Isaac and Carey Mulligan) after witnessing a disturbing incident at an elite country club.—
Clayton Davis,
Variety,
19 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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His practice hinges on improvisation, resulting in blunt, expressive, and unpredictable work.—
Maxie Younger,
Pitchfork,
21 Apr. 2026
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Baby Reindeer was hardly a laugh riot, but mortifying humor is still humor and, with episodic running times in the 30-minute range, the show had a charging, unpredictable momentum.—
Daniel Fienberg,
HollywoodReporter,
21 Apr. 2026
Adjective
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Sorrell was skeptical of sorting jobs into categories of good versus bad, or noble versus corrupt.—
Emma Green,
New Yorker,
17 Apr. 2026
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Many traders and analysts remain skeptical that flows can resume meaningfully and quickly as Iran is yet to confirm whether the strait would be open to all traffic beyond the ceasefire.—
Kate Sullivan,
Fortune,
17 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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This progress addresses the requirement for high oxidation states, which typically makes material growth unstable under conditions that allow for superconductivity.—
Aman Tripathi,
Interesting Engineering,
17 Apr. 2026
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Her very reliable and efficient assistant Eunice (Seoyeon Jang) stands by her side but curries the jealous attention of unstable Ashley.—
Randy Myers,
Mercury News,
16 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 23 Apr. 2026.
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