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
Whether Timmy will survive is still uncertain, but some experts hope the story will inspire people to do more to protect whales.
—
K. R. Callaway, Scientific American, 30 Apr. 2026
The process of choosing a new mineral deposit is inherently an uncertain one, but ongoing regional activity reflects regional opportunity.
—William Jones, USA Today, 29 Apr. 2026
Changes still uncertain Potential cuts are being weighed in the district due to a year-to-year funding gap caused, in part, by the state’s underfunding of special education.
—Kendrick Calfee, Kansas City Star, 29 Apr. 2026
Despite the win, the family says the situation remains uncertain.
—Chelsea Jones, Miami Herald, 29 Apr. 2026
See All Example Sentences for uncertain
K. R. Callaway, Scientific American, 30 Apr. 2026
The process of choosing a new mineral deposit is inherently an uncertain one, but ongoing regional activity reflects regional opportunity.
—William Jones, USA Today, 29 Apr. 2026
Changes still uncertain Potential cuts are being weighed in the district due to a year-to-year funding gap caused, in part, by the state’s underfunding of special education.
—Kendrick Calfee, Kansas City Star, 29 Apr. 2026
Despite the win, the family says the situation remains uncertain.
—Chelsea Jones, Miami Herald, 29 Apr. 2026
See All Example Sentences for uncertain
Recent Examples of Synonyms for uncertain
Adjective
-
Demand rises, infrastructure costs increase, and households remain exposed to volatile energy prices.—
Ed Gaskin,
Boston Herald,
26 Apr. 2026
-
Traders on the prediction market site Polymarket were giving Musk 32% odds of success as of Friday, after weeks of volatile price swings.—
David Ingram,
NBC news,
26 Apr. 2026
Adjective
-
About one quarter, 26%, remain unsure; that response is unchanged since the youth poll's fall 2025 survey.—
Kathryn Palmer,
USA Today,
23 Apr. 2026
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Looking unsure and a bit lost, VIPs from the Institute of Contemporary Art in Miami straggle into the dim underground garage of a nondescript Little Havana strip mall on a recent Saturday morning.—
Carl Juste,
Miami Herald,
22 Apr. 2026
Adjective
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Known for his unpredictable, edgy behavior and fiery personality, Gritty has expanded the traditional boundaries of what a sports team mascot can be or do.—
Samantha Agate,
Miami Herald,
28 Apr. 2026
-
Special legislative sessions are unpredictable, and people on both sides say the Florida fight is far from over, with mistrust of the medical establishment still running high after the COVID-19 pandemic.—
Kerry Sheridan,
NPR,
28 Apr. 2026
Adjective
-
However, some analysts remain skeptical.—
ABC News,
ABC News,
24 Apr. 2026
-
But that was rejected by voters, and even though 61% of voters signaled support for the millionaire tax in 2024 in a nonbinding referendum, some lawmakers were still skeptical a binding amendment would get voters' blessing.—
Ben Szalinski,
CBS News,
24 Apr. 2026
Adjective
-
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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Water testing has been temporarily increased to once a month at the Oceanside Harbor after someone reported seeing a suspicious liquid dumped from a boat.—
Phil Diehl,
San Diego Union-Tribune,
26 Apr. 2026
-
In October, Havens ran off after attendees at a school volleyball game notified a Will County sheriff’s office school resource officer of suspicious behavior, according to a sheriff’s news release at the time.—
Addison Wright,
Chicago Tribune,
24 Apr. 2026
Adjective
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Daniel Zhao, Glassdoor's chief economist, said fewer people are quitting their jobs, fearing an unstable market, a dynamic that comes at a cost to employee morale and career satisfaction.—
Jennifer Elias,
CNBC,
24 Apr. 2026
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The serac between base camp and Camp One is unstable and is risky for climbers, said Himal Gautam of Nepal's Department of Mountaineering.—
ABC News,
ABC News,
24 Apr. 2026
Adjective
-
After two inconsistent seasons, Johnson became a consensus first-team All-American last year, rushing for 1,537 yards and a school-record 22 touchdowns.—
Sam Warren,
New York Times,
25 Apr. 2026
-
Melissa Horner’s inconsistent presence in the home seemed to upset her son’s routines.—
Harriet Ramos,
Fort Worth Star-Telegram,
25 Apr. 2026
Cite this Entry
“Uncertain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/uncertain. Accessed 1 May. 2026.
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