as in unlikely
incapable of being solved or accomplished
the seemingly impossible problem of world hunger fitting everything in my backpack seemed an impossible task
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Example Sentences
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Recent Examples of impossible
The simple math shows that the climb’s virtually impossible.
—
Shawn Tully, Fortune, 29 May 2026
The wildfires of rumour, once lit, are nigh impossible to extinguish.
—Literary Hub, 28 May 2026
These tiny white pearls are nearly impossible to see, rolling easily off your pet onto your floor or sofa.
—Arricca Elin Sansone, Southern Living, 28 May 2026
Your private key is a random number; your public key is derived from it through elliptic curve multiplication — a computation that is easy to perform in one direction but, for any classical computer, practically impossible to reverse.
—Sandy Peng, Forbes.com, 28 May 2026
See All Example Sentences for impossible
Shawn Tully, Fortune, 29 May 2026
The wildfires of rumour, once lit, are nigh impossible to extinguish.
—Literary Hub, 28 May 2026
These tiny white pearls are nearly impossible to see, rolling easily off your pet onto your floor or sofa.
—Arricca Elin Sansone, Southern Living, 28 May 2026
Your private key is a random number; your public key is derived from it through elliptic curve multiplication — a computation that is easy to perform in one direction but, for any classical computer, practically impossible to reverse.
—Sandy Peng, Forbes.com, 28 May 2026
See All Example Sentences for impossible
Recent Examples of Synonyms for impossible
Adjective
-
Getting warships into the water is hard enough without wasting funds on vessels unlikely ever to sail.—
Editorial,
Boston Herald,
30 May 2026
-
Like any great artist, Grohl is a product of her surroundings, and that can’t help but include a very specific, unlikely upbringing.—
Rachel Brodsky,
Los Angeles Times,
29 May 2026
Adjective
-
At least Duncan’s daughter and fellow cadet, Teela (Eire Farrell), takes pity on the hopeless tyke.—
David Fear,
Rolling Stone,
4 June 2026
-
Hence the constant reports that young people are anxious, lonely, stressed, hopeless.—
Judy Berman,
Time,
27 May 2026
Adjective
-
Sorsby’s eligibility situation is unique and problematic.—
Michael McCann,
Sportico.com,
8 June 2026
-
The many communities with aging residents and older homes and road infrastructure in the Bay Area and around the state have heightened risk of both wildfire and problematic evacuations, Wara said.—
Ethan Baron,
Mercury News,
8 June 2026
Adjective
-
Water is also a precious resource in space, making traditional washing impractical.—
Chris Young,
Interesting Engineering,
2 June 2026
-
Physical storage, custody and transportation can make direct ownership impractical for many companies.—
Anthony Milewski,
Forbes.com,
28 May 2026
Adjective
-
That was an appropriate response by Rockies fans when the Rockies mercifully moved on from futile general manager Bill Geivett and insufferable team president Greg Feasel.—
Troy Renck,
Denver Post,
7 June 2026
-
Any attempt to pin down the greatest men’s footballer is therefore futile at best and highly subjective at worst.—
Encyclopedia Britannica,
Encyclopedia Britannica,
3 June 2026
Cite this Entry
“Impossible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impossible. Accessed 9 Jun. 2026.
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