out of question
Impossible, unthinkable.
To an atheist, the existance of god is out of question.
out of the question
Impossible, unacceptable.
Dad, for my 17 birthday I want a new Subaru Impreza.
Son, that's out of the question! We're getting you a Honda S2000.
Son, that's out of the question! We're getting you a Honda S2000.