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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of uncertain
Neutral weather conditions bring uncertain weather risks An ENSO-neutral pattern can bring drier-than-normal weather, or drought conditions could persist in certain regions.
—
Janet Loehrke, USA Today, 26 Apr. 2025
The uncertain fate of his best friend impacts Si-eun throughout the season.
—Kayti Burt, Time, 26 Apr. 2025
Tyler Shough: New Orleans Saints Due to his shoulder injury, Derek Carr's status for the 2025 season is uncertain.
—Thomas G. Moukawsher, MSNBC Newsweek, 25 Apr. 2025
Less than a week into the 2025 playoffs, two All-Stars—Jayson Tatum and Damian Lillard—have already been sidelined, while two other big names—Jimmy Butler and Ja Morant—have uncertain statuses for their next games.
—Lev Akabas, Sportico.com, 25 Apr. 2025
See All Example Sentences for uncertain
Janet Loehrke, USA Today, 26 Apr. 2025
The uncertain fate of his best friend impacts Si-eun throughout the season.
—Kayti Burt, Time, 26 Apr. 2025
Tyler Shough: New Orleans Saints Due to his shoulder injury, Derek Carr's status for the 2025 season is uncertain.
—Thomas G. Moukawsher, MSNBC Newsweek, 25 Apr. 2025
Less than a week into the 2025 playoffs, two All-Stars—Jayson Tatum and Damian Lillard—have already been sidelined, while two other big names—Jimmy Butler and Ja Morant—have uncertain statuses for their next games.
—Lev Akabas, Sportico.com, 25 Apr. 2025
See All Example Sentences for uncertain
Recent Examples of Synonyms for uncertain
Adjective
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Over the past four years, SOFI's annual returns have been considerably more volatile than the S&P 500, with returns of 27% in 2021, -71% in 2022, 116% in 2023, and 55% in 2024.—
Trefis Team,
Forbes.com,
29 Apr. 2025
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Income tax is more volatile and susceptible to the ups and downs within the economy, Greller said.—
Maya Wilkins,
Chicago Tribune,
26 Apr. 2025
Adjective
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Overall, researchers are unsure why diabetes increases the risk of ADHD and other neurodevelopmental conditions.—
Sherri Gordon,
Parents,
18 Apr. 2025
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Some are unsure if their application is still valid.—
Shahar Ziv,
Forbes.com,
16 Apr. 2025
Adjective
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The source said Republicans view Powell as an important pillar of stability in the U.S. economy amid Trump’s unpredictable tariff war against foreign trading partners, including allies such as Canada, Japan, South Korean and Taiwan.—
Alexander Bolton,
The Hill,
22 Apr. 2025
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Spring temps can be unpredictable, so don’t forget to add on a pashmina-style shawl and some statement earrings.—
Jené Luciani Sena,
FOXNews.com,
21 Apr. 2025
Adjective
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Listen, many Gomez fans were skeptical when the singer confirmed her relationship with the prolific music producer back in December 2023.—
Emily Tannenbaum,
Glamour,
25 Apr. 2025
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Some are skeptical given his slight wingspan and arm length and wonder if a move to left guard may eventually be necessary.—
Chad Graff,
New York Times,
25 Apr. 2025
Adjective
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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
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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
Adjective
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But he’s also been deeply suspicious for years of the government’s intelligence agencies.—
Josh Funk and Haya Panjwani,
Los Angeles Times,
18 Apr. 2025
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This kind of reverse inference is the same logic your bank uses when flagging suspicious activity.—
Christer Holloman,
Forbes.com,
18 Apr. 2025
Adjective
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Rigid robots are prone to damage in unstable, cramped environments and are expensive to repair.—
Kurt Knutsson,
FOXNews.com,
28 Apr. 2025
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Remember: Antioxidants can slow aging and prevent skin damage caused by unstable molecules called free radicals.—
Danielle Jackson,
Glamour,
28 Apr. 2025
Adjective
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After an inconsistent first half of the season, manager Unai Emery has found a way of tinkering with Villa’s line-up and still winning.—
Chris Waugh,
New York Times,
21 Apr. 2025
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Even so, the practice of choosing a papal name remained inconsistent for the next 1,000 years, with most popes using their baptismal names.—
Christopher Watson,
ABC News,
21 Apr. 2025
Cite this Entry
“Uncertain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/uncertain. Accessed 3 May. 2025.
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