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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of uncertain
Families in some regions are still uncertain whether or when their full benefits will resume.
—
Eva Roytburg, Fortune, 8 Nov. 2025
With that law’s future uncertain, states like New York and Colorado have passed their own versions to protect minority voters.
—Center Square, The Washington Examiner, 8 Nov. 2025
Sanders moved into the backup role after Flacco’s departure, and following a back injury that kept him out of the team’s Week 8 game, his status was uncertain heading into this week.
—Cole Sullivan, MSNBC Newsweek, 7 Nov. 2025
The activist has a pending political asylum case and an appeal under review, but her status remains uncertain after recent policy changes.
—Antonio Maria Delgado, Miami Herald, 7 Nov. 2025
See All Example Sentences for uncertain
Eva Roytburg, Fortune, 8 Nov. 2025
With that law’s future uncertain, states like New York and Colorado have passed their own versions to protect minority voters.
—Center Square, The Washington Examiner, 8 Nov. 2025
Sanders moved into the backup role after Flacco’s departure, and following a back injury that kept him out of the team’s Week 8 game, his status was uncertain heading into this week.
—Cole Sullivan, MSNBC Newsweek, 7 Nov. 2025
The activist has a pending political asylum case and an appeal under review, but her status remains uncertain after recent policy changes.
—Antonio Maria Delgado, Miami Herald, 7 Nov. 2025
See All Example Sentences for uncertain
Recent Examples of Synonyms for uncertain
Adjective
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First, the electrodes and electrolytes are adjusted to handle high temperatures, specifically replacing the volatile liquid electrolyte used in traditional Li batteries.—
Mrigakshi Dixit,
Interesting Engineering,
5 Nov. 2025
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Taking the long view Many finance leaders remain cautious, viewing bitcoin as too volatile—especially recently—compared to traditional assets.—
Sheryl Estrada,
Fortune,
4 Nov. 2025
Adjective
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As Altadena rebuilds, Good Neighbor has, essentially, become a daily support group, where neighbors can find comfort and a sense of permanence when everything else is unsure.—
Esther Tseng,
Bon Appetit Magazine,
11 Nov. 2025
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Many men in the facility, like Chacón, were unsure why they were accused of terrorist activity, the story detailed.—
Tamia Fowlkes,
jsonline.com,
9 Nov. 2025
Adjective
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This combination allows for precise navigation in tight or unpredictable environments.—
Aamir Khollam,
Interesting Engineering,
7 Nov. 2025
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Tinker was brilliant, unpredictable, and slightly unhinged.—
Henry Selick,
IndieWire,
6 Nov. 2025
Adjective
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The comments in the post were split between those who wanted to show care to the boyfriend and those who were skeptical of the woman's behavior.—
Meredith Wilshere,
PEOPLE,
10 Nov. 2025
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But there are plenty of reasons to be skeptical.—
Bob Woods,
CNBC,
9 Nov. 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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Homicide detectives deemed the death suspicious and began investigating.—
Rosalio Ahumada,
Sacbee.com,
11 Nov. 2025
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Homicide investigators are investigating the circumstances of the death as suspicious based on the woman’s unexplained injuries.—
Karen Kucher,
San Diego Union-Tribune,
11 Nov. 2025
Adjective
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On the big screen, Harford cared for Sandra Dee’s Rosalie Stocker in The Wild and the Innocent (1959) and portrayed the opportunistic older sister of Natalie Wood’s unstable title character in Inside Daisy Clover (1965), the melodrama directed by Robert Mulligan.—
Mike Barnes,
HollywoodReporter,
9 Nov. 2025
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Despite the improvements, her health has still been unstable over the years, partially due to her diagnosis of pulmonary vein stenosis, a rare disease that narrows the veins connecting the heart and the lungs, her father told the outlet.—
Kimberlee Speakman,
PEOPLE,
7 Nov. 2025
Adjective
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The initiative’s foundation addresses the problem of inconsistent and burdensome reporting by engaging the industry to define an optional (and non-exhaustive) questionnaire aimed at strengthening data quality and consistency while significantly reducing the administrative burden on suppliers.—
Alexandra Harrell,
Sourcing Journal,
10 Nov. 2025
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Knowing that Irving would miss much of the year recuperating from his ACL tear, Harrison signed inconsistent vet D'Angelo Russell in free agency this summer, but otherwise did little to address an obvious backcourt need.—
Alex Kirschenbaum,
MSNBC Newsweek,
10 Nov. 2025
Cite this Entry
“Uncertain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/uncertain. Accessed 20 Nov. 2025.
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