Adjective, : an unwise choice; an unwise man.    From Dictionary.com. 

Thus it is not what is taught but what is not taught, what teachers and professors have never learned the value of, that reinforces a fundamental unwiseness in American schooling, and keeps black disidentification on full boil.    From Wordnik.com.  [Race and the Schooling of Black Americans] Reference

Do not have the unwiseness to refuse. '.    From Wordnik.com.  [Cabbages and Kings] Reference