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
DeSantis said Florida will be reimbursed for the cost of Alligator Alcatraz, although the timeline for that is uncertain.
—
Cindy Krischer Goodman,
Sun Sentinel,
25 June 2026
El Mercadito, a new weekly outdoor market near San Jose’s SAP Center, is attracting both visitors and vendors accustomed to selling their products at the venerable Berryessa Flea Market, whose future is uncertain.
—
Asher Rae Aguirre,
Mercury News,
25 June 2026
Organizations that feel uncertain in this new era should not begin by asking which technology to buy next.
—
Goran Paun,
Forbes.com,
25 June 2026
The process is less about identifying a single opportunity and more about developing the capacity to build under uncertain conditions.
—
Ethan Stone,
Miami Herald,
25 June 2026
See All Example Sentences for uncertain
Cindy Krischer Goodman,
Sun Sentinel,
25 June 2026
El Mercadito, a new weekly outdoor market near San Jose’s SAP Center, is attracting both visitors and vendors accustomed to selling their products at the venerable Berryessa Flea Market, whose future is uncertain.
—
Asher Rae Aguirre,
Mercury News,
25 June 2026
Organizations that feel uncertain in this new era should not begin by asking which technology to buy next.
—
Goran Paun,
Forbes.com,
25 June 2026
The process is less about identifying a single opportunity and more about developing the capacity to build under uncertain conditions.
—
Ethan Stone,
Miami Herald,
25 June 2026
See All Example Sentences for uncertain
Recent Examples of Synonyms for uncertain
Adjective
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Gonzalo Fuentes | Reuters Global stock markets have been volatile as investors continue to assess geopolitical risks in the Middle East, fundamentals and valuations of companies in the artificial intelligence (AI) market and key economic data.
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The crisis started after officials responded to GKN’s Garden Grove facility on May 21 and soon realized a volatile chemical tank was at risk of exploding or causing a major spill.
Adjective
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Standards are high at the Etihad Stadium after 10 years of Guardiola and Manchester City is counting on Maresca being the right man to keep this going even if many of the club’s own supporters are unsure.
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People are unsure about the industry for good reason, with everything happening with AI and in the world.
Adjective
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This unpredictable chaos, fueled by technological glitches and administrative issues, is worsening as peak summer travel begins.
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However, construction zones are inherently unpredictable.
Adjective
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When Axsome went public in 2015, Wall Street was skeptical and the company’s stock puttered along under $10 for years.
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Contrary to what the public has been led to believe, America’s Founding Fathers were skeptical and anxious about democracy.
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.
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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.
Adjective
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Large-scale events involve tabletop exercises with law enforcement, fire departments, emergency managers and venue officials running through countless scenarios — evacuations, suspicious packages, drones and crowd surges.
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Residents who witness suspicious activity can contact non-emergency dispatch at 503-629-0111 or call 911 when appropriate.
Adjective
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The conservation team will secure unstable paint before cleaning the works with fiber lasers.
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Most of the people with the dragons are either unstable or idiots, or both.
Adjective
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According to Chernoff, this can lead to excess frost, stale odors, and inconsistent freezing conditions, all of which negatively affect ice quality.
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Golfers have long sought solutions for inconsistent putting, with many traditional tips proving ineffective.
Cite this Entry
“Uncertain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/uncertain. Accessed 2 Jul. 2026.
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