unpoppable (not comparable)
- Impossible to pop; not poppable.
- If you leave corn kernels out for too long, some will be unpoppable.
- 1989, David Michaelis, Boy, girl, boy, girl (page 271)
- Even at Hattie's birthday in the chapel, when we'd all shown each other our most freakish body parts, Berry had not had so much as a zit. Now she had a monster pimple, big as a raisin, categorically unpoppable […]