impossible
adjective
im·pos·si·ble
(ˌ)im-ˈpä-sə-bəl 
1
a
: incapable of being or of occurring
b
: felt to be incapable of being done, attained, or fulfilled : insuperably difficult
an impossible deadline
2
a
: extremely undesirable : unacceptable
b
: extremely awkward or difficult to deal with
the actor was impossible on the set
impossibleness
noun
Examples of impossible in a Sentence
It's impossible to predict the future.
The heavy rain made it impossible to see the road.
It's physically impossible for a child to lift that much at once.
It's virtually impossible to book a flight just before the holiday.
These math problems are impossible!
You refuse to help and then criticize me for not doing it right? You're impossible!
My boss is just an impossible woman.
Recent Examples on the Web
To infer causality or intent within those actions is even more difficult, if not impossible, when so many other factors are at play beyond Paqueta’s control.
—
Mark Carey, New York Times, 6 Sep. 2025
Prosecutors say a fair trial would be impossible not only in this mountain community of fewer than 22,000 people, but also any other adjacent county because the suspect and victim were both well known.
—Andy Rose, CNN Money, 6 Sep. 2025
The meta-fiction that follows is a story of a filmmaker who, like Vasyanovych, finds it all but impossible to tell a story that isn’t about the war.
—Christopher Vourlias, Variety, 6 Sep. 2025
Kunis plays the local police chief, Geraldine Scott, who calls upon Craig's Benoit Blanc when a seemingly impossible murder rocks the town.
—Nick Romano, Entertainment Weekly, 6 Sep. 2025
See All Example Sentences for impossible
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Mark Carey, New York Times, 6 Sep. 2025
Prosecutors say a fair trial would be impossible not only in this mountain community of fewer than 22,000 people, but also any other adjacent county because the suspect and victim were both well known.
—Andy Rose, CNN Money, 6 Sep. 2025
The meta-fiction that follows is a story of a filmmaker who, like Vasyanovych, finds it all but impossible to tell a story that isn’t about the war.
—Christopher Vourlias, Variety, 6 Sep. 2025
Kunis plays the local police chief, Geraldine Scott, who calls upon Craig's Benoit Blanc when a seemingly impossible murder rocks the town.
—Nick Romano, Entertainment Weekly, 6 Sep. 2025
See All Example Sentences for impossible
Cite this Entry
“Impossible.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impossible. Accessed 10 Sep. 2025.
Copy CitationKids Definition
impossible
adjective
im·pos·si·ble
(ˈ)im-ˈpäs-ə-bəl
1
a
: incapable of being or of occurring
b
: very difficult : hopeless
an impossible situation
2
: very bad or unpleasant
an impossible person
impossibly
adverb
-blē
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