Meaning of “impossible” - Learner’s Dictionary


adjective us uk /ɪmˈpɒsəbl/

B1 If an action or event is impossible, it cannot happen or be done:

an impossible task
He finds walking almost impossible.
[ + to do sth ] It was impossible to sleep because of the noise.

More examples


very difficult to deal with:

You just can't reason with her, she's absolutely impossible.
You're putting me in an impossible position.
impossibility noun [ C, U ] us uk /ɪmˌpɒsəˈbɪləti/

something that is impossible:

[ usually singular ] I can't do it - it's a physical impossibility.

(Definition of “impossible adjective” from the Cambridge Learner’s Dictionary © Cambridge University Press)