denormal
Less than normal.
A person whose abilities are less than normal.
That part of the axis of a curved line which is intercepted between the ordinate and the normal.
Unpredictable.
Readily decomposable.
Not stable.
Radioactive, especially with a short half-life.
Fickle.
Having a strong tendency to change.
Fluctuating; not constant.
To release (an animal) from a stable.