What is the meaning of Impossible?

Not possible; not able to be done or happen.

Very difficult to deal with.

imaginary

An impossibility.

A skateboard trick consisting of a backflip performed in midair.

impossible

impossible

unbearable

Impossible: not able to be done.

Incapable (of doing something)

An act which cannot be accomplished.

A logical impossibility: a thing which cannot exist, or is a logical self-contradiction

impossible

Source: wiktionary.org