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
However, his long-term future as the Browns’ quarterback remains uncertain.
—
Cole Sullivan, MSNBC Newsweek, 25 Oct. 2025
There is a chance for drier weather later in the week, but the forecast remains uncertain as additional small weather disturbances could still bring rain.
—Kansas City Star, 24 Oct. 2025
Presented with an uncertain future, other longtime staff members took buyouts.
—Katie Thornton, New Yorker, 24 Oct. 2025
Cuban oregano or Mexican mint (Plectranthus amboinicus) are misleading names for this distinctive herb since its habitat, although uncertain, is either East Africa or India.
—Joshua Siskin, Oc Register, 24 Oct. 2025
See All Example Sentences for uncertain
Cole Sullivan, MSNBC Newsweek, 25 Oct. 2025
There is a chance for drier weather later in the week, but the forecast remains uncertain as additional small weather disturbances could still bring rain.
—Kansas City Star, 24 Oct. 2025
Presented with an uncertain future, other longtime staff members took buyouts.
—Katie Thornton, New Yorker, 24 Oct. 2025
Cuban oregano or Mexican mint (Plectranthus amboinicus) are misleading names for this distinctive herb since its habitat, although uncertain, is either East Africa or India.
—Joshua Siskin, Oc Register, 24 Oct. 2025
See All Example Sentences for uncertain
Recent Examples of Synonyms for uncertain
Adjective
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But any agreement reached will be just one touchstone in a thorny and volatile great power rivalry between the world’s superpower democracy and an authoritarian China, whose growing military assertiveness under Xi in the East and South China Seas is rattling US allies in the region.—
Betsy Klein,
CNN Money,
30 Oct. 2025
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Core inflation, which excludes volatile food and energy prices, rose 3% year over year, the slowest pace since early spring.—
Eva Roytburg,
Fortune,
29 Oct. 2025
Adjective
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At 25, when half her friends ran off to marry well and the other half were hell-bent on climbing the corporate ladder, Bizu found herself in the middle, unsure whether to pursue a boyfriend or a business plan.—
Kimberly Wilson,
Essence,
28 Oct. 2025
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Ron explains that the tumor started growing back in 2018 and past doctors were unsure about how to approach such a challenging facial reconstruction.—
Vanessa Etienne,
PEOPLE,
28 Oct. 2025
Adjective
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With unpredictable twists and emotions running high, this Halloween is especially chaotic, and Mutable signs — Gemini, Virgo, Sagittarius and Pisces — can't imagine what's in store.—
Valerie Mesa,
PEOPLE,
31 Oct. 2025
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Predicting something that has becoming increasingly unpredictable is an impossible task, but here’s a look at how the shutdown could ripple through critical avenues of everyday life.—
Alicia Wallace,
CNN Money,
31 Oct. 2025
Adjective
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Drafted in the first round out of Texas Tech in 2017—a move that many fans were initially skeptical of—Mahomes only saw a few spot appearances before eventually taking over as the Chiefs’ starting quarterback.—
Cole Sullivan,
MSNBC Newsweek,
28 Oct. 2025
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The Pfizer exec played a critical role in helping Mamdani connect with New York's skeptical business community.—
Emma Hinchliffe,
Fortune,
27 Oct. 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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Some impersonated tax officers to frighten British pensioners into draining their life savings into suspicious bank accounts; others peddled irresistible student loan offers to American high schoolers.—
Snigdha Poonam,
The Dial,
28 Oct. 2025
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Police said officers were dispatched and arrived within two minutes of the 911 call — first reported as a suspicious event and later upgraded to a burglary in progress — and that the Criminal Investigations Bureau dedicated more than 100 investigative hours to identifying those involved.—
Christina Coulter,
PEOPLE,
28 Oct. 2025
Adjective
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These early casualties highlight the risks posed by prolonged rainfall and unstable terrain, even before a storm reaches peak intensity.—
Hannah Parry,
MSNBC Newsweek,
27 Oct. 2025
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Earlier types of electrides were unstable and difficult to reproduce.—
Aamir Khollam,
Interesting Engineering,
27 Oct. 2025
Adjective
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By the end of the season, one of the biggest conversations regarding the WNBA revolved around what many saw as inconsistent officiating, which can arguably result in mixed messages about what level of physicality is allowed on the court.—
Emily Tannenbaum,
Glamour,
27 Oct. 2025
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Fairlead Strategies or its affiliates may have positions in financial instruments mentioned, may have acquired such positions at prices no longer available, and may have interests different from or adverse to your interests or inconsistent with the advice herein.—
Katie Stockton,
CNBC,
27 Oct. 2025
Cite this Entry
“Uncertain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/uncertain. Accessed 1 Nov. 2025.
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