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noun

impossibility

ihm-po-sih-BIH-lee-tee
noun
1
Something that cannot happen or be done.
"A perpetual motion machine is a physical impossibility."
2
The quality of being impossible.
"They eventually accepted the impossibility of finishing on time."

How to Use Impossibility

Learner’s notes

In plain EnglishSomething that simply cannot be done, or the fact of being unable to happen.

Common pairings
a virtual impossibility practical impossibility

Word Forms

impossibilities plural

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A perpetual motion machine is a physical _____.

Etymology

From Latin impossibilitas, from im- + possibility.

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Rhymes for impossibility

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Definitions: FreeDict original editorial