英和和英

a physical impossibility

it is physically impossible

It is physically impossible.

physically impossible

perform impossibilities

attempt the impossible

I couldn't even guess.

the impossible

It is next to impossible―hardly possible.

absolutely impossible―a sheer impossibility

possibility of matter (be impossible, be an impossibility)

technologically impossible

Nothing is impossible.

made impossible

It is hardly possible―next to impossible.

the state of things being impossible

mathematically impossible

It's out of the question.

It is utterly impossible.

impossible or nearly impossible to see

to an impracticable degree

impossible to measure

an irresistible force

a good [poor] cropper

the state of a task of being impossible

I cannot make a definite promise.

impossible to achieve

capable of being made imperfect

not able to be ascertained

Humanly speaking, it is impossible.