UNCERTAIN Synonyms: 104 Similar and Opposite Words

uncertain

adjective

ˌən-ˈsər-tᵊn

Definition of uncertain

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

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 Across the city, people of all ages have been exploring their contributions from a period that felt overwhelming and uncertain. — Stacey Gillett, Chicago Tribune, 17 July 2026 Across the city, organizations like IMAN, a Chicago center for community activism with Muslim roots, are also using art to help communities navigate uncertain times. — Brittney Melton, NPR, 16 July 2026 Its few, frustrating semifinals since then have become a kind of metaphor for the uncertain place England occupies in a world that was once largely ruled by imperial Britain. — Ned Temko, Christian Science Monitor, 16 July 2026 Things seemed more disgruntled and uncertain and frustrating a decade ago. — Jordan Bianchi, New York Times, 16 July 2026 See All Example Sentences for uncertain

Recent Examples of Synonyms for uncertain

Adjective

Stocks pulled back on Friday , capping off another volatile week.

— Jeff Marks,Paulina Likos, CNBC, 17 July 2026
That’s because wildfire smoke contains gases like nitrogen oxides and volatile organic compounds, which react in the sun and heat to create ground-level ozone.

— Kasha Patel, CNN Money, 17 July 2026

Definition of volatile

Adjective

Funding fights, shifting eligibility rules and abrupt program cuts have played out simultaneously at the federal level, leaving many organizations unsure what the ground will look like from one quarter to the next.

— Keely Cat-Wells, Forbes.com, 22 July 2026
At a time when many of their peers are unsure of what's next, the students are happy their skills are in demand.

— Andrea Hsu, NPR, 21 July 2026

Definition of unsure

Adjective

The ensemble drama traces the unpredictable shape of grief and family dynamics, aiming for an emotionally candid portrait of loss and the ties that hold communities together.

— Naman Ramachandran, Variety, 17 July 2026
In an increasingly unpredictable business environment, executives seek control over their biology through peptides, promising faster recovery and improved performance.

— Julian Hayes II, Forbes.com, 17 July 2026

Definition of unpredictable

Adjective

Why alums are skeptical Queens name will stay In recent months, however, Carmack said the merger has felt more like an acquisition.

— Rebecca Noel, Charlotte Observer, 23 July 2026
Conservative politicians and others skeptical of the nation’s covid response have had Munster and Rocky Mountain Labs on their radar for years.

— CNN Money, CNN Money, 22 July 2026

Definition of skeptical

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
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

Definition of changeful

Adjective

But both shows are deeply suspicious of corporate infiltration of the government and how capitalists exploit xenophobia to gain power in America.

— Bethy Squires, Vulture, 22 July 2026
The challenge is that large organizations are typically suspicious of people with an explorer's style of passion.

— John Hagel, Time, 22 July 2026

Definition of suspicious

Adjective

What the lawsuit alleges The lawsuit alleges violations of the California Environmental Quality Act and that the project is inconsistent with the county’s general plan.

— Graham Womack, Sacbee.com, 17 July 2026
The challenge arises when founders pursue goals that are inconsistent with their personal values or definition of success.

— Nadia AlShomali, Forbes.com, 17 July 2026