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
That’s mathematically impossible, the Congressional Budget Office says, without cutting Medicaid, which provides health coverage to more than 70 million people.
—
Mike Lillis, The Hill, 14 Apr. 2025
Jokić nearly broke the all-time mark for Player Efficiency Rating (PER), whatever that is, and completed the seemingly impossible feat of averaging a triple-double while playing center.
—John Hollinger, New York Times, 14 Apr. 2025
For some, meeting their new child’s needs—and the specter of a future oriented around those needs—felt impossible.
—Jessica Slice, The Atlantic, 14 Apr. 2025
Most of us want to achieve seemingly impossible things with our natural strengths, gifts and talents.
—Johan Martinez-Khalilian, Forbes.com, 14 Apr. 2025
See All Example Sentences for impossible
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Mike Lillis, The Hill, 14 Apr. 2025
Jokić nearly broke the all-time mark for Player Efficiency Rating (PER), whatever that is, and completed the seemingly impossible feat of averaging a triple-double while playing center.
—John Hollinger, New York Times, 14 Apr. 2025
For some, meeting their new child’s needs—and the specter of a future oriented around those needs—felt impossible.
—Jessica Slice, The Atlantic, 14 Apr. 2025
Most of us want to achieve seemingly impossible things with our natural strengths, gifts and talents.
—Johan Martinez-Khalilian, Forbes.com, 14 Apr. 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 23 Apr. 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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