Impossible

7 clues
Undoable
Unthinkable!
Anything's belief?
Out of the question!
It's ___," Perry Como hit
The ___ Dream," 1965 song
Q: Are you eligible for this job? A: Yes. ___
Similar answers:
Accessible
Admissible
Admissionimpossible
Almostimpossible
Anythingpossible
Areweinvisible
Asfaraspossible
Collapsible
Defensible
Derisible
Diffusible
Divisible
Divisiblebyfour
Extensible
Feasible
Fissionimpossible
Howisitpossible
Humanlypossible
Implausible
Impose