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 notesIn 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.